Shin Megami Tensei III: Nocturne HD Remaster - Assembly of Nihilo Walkthrough

Walkthrough Part 5 in Shin Megami Tensei III: Nocturne HD Remaster

Here is our Shin Megami Tensei III: Nocturne HD Remaster main story walkthrough and guide for Assembly of Nihilo and Mantra Headquarters. Included is a list of recruitable demons, normal and boss enemies, obtainable items, and maps.

Shin Megami Tensei III Nocturne HD Remaster Walkthroughs

Overview

All Trophies and Achievements

Characters

Here is a list of characters covered and interacted in this walkthrough:

All Characters

Character	Location
Protagonist	All Locations
Isamu Nitta	Mantra Headquarters
Chiaki Tachibana	Mantra Headquarters
Jyoji Hijiri	Assembly of Nihilo
Hikawa	Assembly of Nihilo

Magatamas

Here is a list of Magatamas accessible in this walkthrough:

All Magatamas

Enemies

Here is a list of enemies encountered in this walkthrough:

Demonic Compendium

Assembly of Nihilo Normal Enemies

Mantra Headquarters Revisited Normal Enemies

Boss Enemies

Boss Guides

Recommended Stats

Here is the stat build we used so far in this walkthrough. Feel free to make your own using our guide:

Recommended Stat Builds

Recommended Skills

Here is the skill build we used so far in this walkthrough. Feel free to make your own using our guide:

Recommended Skill Builds

Assembly of Nihilo

Recommended Demons to Recruit

Assembly of Nihilo Walkthrough Part 1

1	Use the Terminal and return to Ginza. There are new demons available within the area so feel free to capture them. You can also visit the Cathedral of Shadows to fuse for high-level demons, including Dis. Also, make sure that you still have access to elemental skills before you leave.
2	Leave Ginza and return to the world map. Head south and enter the Assembly of Nihilo.
3	Ignore the demons and go east. Take the elevator down to “B2F”.
4	Enter the room with a large sphere. Go around until you find a path (compass: south) leading to the center of the sphere.
5	Speak to Jyoji Hijiri for a conversation event. Choose between “Top Answer” (Yosuga Reason↑) or “Bottom Answer” (Shijima Reason↑ and Musubi Reason↑)
6	Leave the sphere room and enter the south door.
7	Follow the hallway and reach the elevator at the end.
8	Transfer to “B10F” and head straight to another big room. Defeat Koppa (Exploit Curse weakness) and Incubus (Exploit Force weakness) demon guarding the big room.
9	After the battle, approach the yellow panel and obtain an item (Yellow Kila x1). SAVE your game at a nearby Terminal room.
10	Take the north door and you will see an area with connected square rooms. You will start from the middle south square room. Follow the instructions below to avoid getting confused:
11	Go north.
12	Go north again.
13	Operate the switch within the square room.
14	Go south.
15	Go west.
16	Open a floating cube (Tetraja Rock x2) nearby.
17	Go north.
18	Go north again.
19	Operate the switch within the square room.
20	Go east.
21	Go north and reach the very end. Prepare for an upcoming boss fight.

Defeat Eligor (First Encounter)

1	Defeat Eligor (Exploit Electricity weakness) with Dis demons. Equip Kamudo or Narukami Magatama prior to the boss fight. Eligor Boss Guide
2	Use Electricity attacks to damage and paralyze the boss. Focus the majority of your attacks on Eligor.
3	Land debuffs starting with Sukunda/Fog Breath followed by Rakunda and Tarunda/War Cry. Cast buffs starting with Sukukaja followed by Tarukaja/Makakaja and Rakukaja. Deal Physical attacks boosted with Focus to further damage the boss.
4	Acquire the item from a floating cube (White Kila x1) after the battle.

Assembly of Nihilo Walkthrough Part 2

1	After defeating the first Eligor, leave the room and go south as far as you can. Reach the middle north square room. Follow the instructions below to avoid getting confused:
2	Go east.
3	Go south.
4	Go south again.
5	Go down using the ladder and reach “B11F”
6	You’ll start at the southeast square room. Follow the instructions below to avoid getting confused:
7	Go north.
8	Go west.
9	Go south.
10	Go south again. Enter the Terminal room to SAVE your game.
11	Go north to return to your previous spot.
12	Go west.
12	Operate the switch within the square room.
13	Go east.
14	Go north.
15	Go east.
16	Operate the switch within the square room.
17	Go west.
18	Go west again.
19	Go north.
20	Operate the switch within the square room.
21	Go south.
22	Go east.
23	Go north all the way until you reach a door. Prepare for an upcoming boss fight.

Defeat Eligor (Second Encounter)

1	Defeat Eligor (Exploit Electricity weakness) with Yaka (Exploit Ice weakness) demons. Equip Kamudo or Narukami Magatama prior to the boss fight.
2	Use Electricity attacks to damage and paralyze the boss. Focus the majority of your attacks on Eligor.
3	Land debuffs starting with Sukunda/Fog Breath followed by Rakunda and Tarunda/War Cry. Cast buffs starting with Sukukaja followed by Tarukaja/Makakaja and Rakukaja. Deal Physical attacks boosted with Focus to further damage the boss.
4	Acquire the items (Dis-Poison x1 and Jewel x1) after the battle.

Assembly of Nihilo Walkthrough Part 3

Defeat Eligor (Third Encounter)

1	Defeat Eligor (Exploit Electricity weakness) with Incubus (Exploit Force weakness) demons. Equip Kamudo or Narukami Magatama prior to the boss fight.
2	Use Electricity attacks to damage and paralyze the boss. Focus the majority of your attacks on Eligor.
3	Land debuffs starting with Sukunda/Fog Breath followed by Rakunda and Tarunda/War Cry. Cast buffs starting with Sukukaja followed by Tarukaja/Makakaja and Rakukaja. Deal Physical attacks boosted with Focus to further damage the boss.
4	Acquire the item (Treasure x1) after the battle.

Assembly of Nihilo Walkthrough Part 4

Defeat Berith

1	Defeat Berith (Exploit Ice weakness) with two Succubus (Exploit Expel weakness) demons. Equip Shiranui Magatama prior to the boss fight. Berith Boss Guide
2	Use Ice attacks to damage and freeze the boss. Focus the majority of your attacks on Berith.
3	Land debuffs starting with Sukunda/Fog Breath followed by Rakunda and Tarunda/War Cry. Cast buffs starting with Sukukaja followed by Tarukaja/Makakaja and Rakukaja. Deal Physical attacks boosted with Focus to further damage the boss.
4	Acquire the item (Dotantama x1) after the battle.

Assembly of Nihilo Walkthrough Part 5

1	Return to the southern exit but SAVE your game again.
2	Head all the way south until you reach a square room again. Follow the instructions below:
3	Go west.
4	Go north.
5	Operate the switch.
6	Go east.
7	Go east again.
8	Enter the lower level and start at another square room. Follow the instructions below:
9	Go north. (A Kaiwan will change a switch.)
10	Jump off.
11	Go south.
12	Go south again.
13	Go west.
14	Climb a ladder.
15	Go south. (A Kaiwan will change a switch.)
16	Go north.
17	Descend using a ladder.
18	Go east.
19	Go north.
20	Go west.
21	Climb a ladder again.
22	Examine a switch.
23	Descend using a ladder again.
24	Go east.
25	Go south.
26	Go west.
27	Climb a ladder again.
28	Go south.
29	Go east.
30	Go east again.
31	Go north.
32	Go north again.
33	Move further north.
34	Continue further going north.
35	Go west.
36	Operate the switch.
37	Go east.
38	Go south.
39	Go south again.
40	Move further south.
41	Continue further going south.
42	Go west.
43	Go west again.
44	Move further west.
45	Continue further going west. (You are in the bottom left corner at this moment.)
46	Go north.
47	Go north again. Open a floating cube x1 (Life Stone x3).
48	Go south.
49	Go south again.
50	Go east.
51	Go east again.
52	Go north.
53	Go west.
54	Go north. (A Kaiwan will change a switch.)
55	After the cutscene, head to the “!” marked square room in the northeast. Reach that location and operate the first final switch.
56	A new path will come out and head to the “!” marked square room in the northwest. Reach that location and operate the second final switch.
57	Return to the “!” marked square room in the northeast again. Operate the third final switch
58	This will finally open a path leading to the top. Make your way north and reach a middle square in the northmost area. Enter the door.
59	Keep following the hallway around to the west and see a large area.
60	Ignore the other doors and go north (compass: west). Reach the end and enter the west door.
61	Keep going a little north (compass: west). Enter and SAVE your game through the Terminal room located in the north door.
62	From the Terminal room, go west and reach a fork.
63	Go to the west branch (compass: west) and reach the second fork.
64	Go to the south branch and find a floating cube (3,000 Macca) in a room
65	Leave the room and head north to reach a chamber.
66	Examine the floating cube but it contains nothing. Leave the chamber.
67	Follow a demon back to the large room with other doors.
68	Enter the third west door and prepare for another boss battle.

Defeat Kaiwan x3

1	Defeat three Kaiwans (Use Phys attacks). Equip Kamudo Magatama prior to the boss fight. Kaiwan Boss Guide
2	Use strong Physical and Magic attacks to damage the boss. Focus the majority of your attacks on Kaiwan at a time.
3	Land debuffs starting with Sukunda/Fog Breath followed by Rakunda and Tarunda/War Cry. Cast buffs starting with Sukukaja followed by Tarukaja/Makakaja and Rakukaja. Deal Physical attacks boosted with Focus to further damage the boss.
4	Acquire the item (Anti-Soul Incense x2 and Treasure x1) after the battle.

Assembly of Nihilo Walkthrough Part 6

1	Acquire another item (Green Kila x1) and return to the square room puzzle area.
2	Make use of the accessible ladders in the square room puzzle area and climb upwards. Reach the “B10F” level and reach a central room with four slots.
3	Enter the Terminal room and SAVE your current game. Feel free to visit another area to gain access to a Fountain of Life room. Also, visit the Ginza Underpass to buy MP recovery items from the junk shop.
4	Return to the central room and place the acquired Kilas in the slots and a big ramp will open along the edge of the wall.
5	Use it to descend to the bottom and enter the door.
6	Enter the hall and reach the fork. Choose the west branch (compass: south) and go north. Ignore the first door your encounter.
7	Enter the next south door. There is a floating cube (Revival Bead x1) there.
8	Outside the south door, head to the north door across and acquire another item from a floating cube (Sacred Water x1).
9	Go back to the fork and take the east branch this time.
10	Follow the hall leading north while ignoring other branching pathways.
11	Enter the first door you pass by. Inside the room is a chest (Anti-Soul Incense x1).
12	Leave the room and head to the east (compass: west), south, and east (compass: west) to reach an unexplored pathway.
13	When you reach another fork, continue going north and reach an elevator. Take it to “B15F”.
14	Outside the elevator is a Terminal room located to the east door. SAVE your game and head south door.
15	Pick your reason during a conversation event with Hikawa. All three questions do not have an impact on any reason or ending. Get ready for a boss fight.

Defeat Ose

1	Defeat Ose (Use Phys and Magic attacks). Equip Kamudo or Narukami Magatama prior to the boss fight. Ose Boss Guide
2	Use Physical attacks to damage the boss. Focus on casting buffs and debuffs first before executing your offense.
3	Land debuffs starting with Sukunda/Fog Breath followed by Rakunda and Tarunda/War Cry. Cast buffs starting with Sukukaja followed by Tarukaja/Makakaja and Rakukaja. Deal Physical attacks boosted with Focus to further damage the boss.
4	When the boss uses Focus and Heat Wave, heal all allies and do your damage dealing.
5	If the boss uses Tetrakarn (Red Barrier for Physical Attacks) or Makarakarn (Blue Barrier for Magical Attacks) buff, don’t execute Phys and Magic attacks since it will be reflected back to the attacker.
6	If the boss uses Sukukaja, deal normal physical attacks with Tarukaja and Focus buffs.
7	Acquire the item Anathema Magatama x1 after the battle.

Assembly of Nihilo Dialogue Choices

Here is a breakdown of dialogue choices for each conversation event in this area:

Conversation with Jyoji Hijiri

Conversation with Hikawa (First Question)

Conversation with Hikawa (Second Question)

Conversation with Hikawa (Third Question)

Mantra Headquarters Revisited

Recommended Demons to Recruit

Mantra Headquarters Revisited Walkthrough 1

1	After the cutscene, return to Ginza and transfer back to Ikebukuro.
2	Return to stairs of Mantra Headquarters for a cutscene. Pick your reason during a conversation event with Chiaki. Choose between “Top Answer” (Yosuga Reason↑ and Confirmation Flag), “Middle Answer” (None), or “Bottom Answer” (None).
3	Enter Mantra Headquarters and go west. Take the elevator and head to the basement.
4	Enter the door on the left of the demon and check the second cell for a chest (Life Stone x1).
5	Leave and enter the door to the right of the demon. Watch another cutscene with Isamu.
6	Run towards the end of the cells. If you have 24 Strength stat you can open the door and acquire Gaea Magatama.
7	Return to the elevator and go to “1F”. Move to the northeast corner of this floor and speak with the two Yomotsu-Ikusa guarding the Mantra HQ main gate.
8	Go to “3F” and run along the path to the other elevator. Get the items from the chest (Power Incense x1) in the northeast prison cell.
9	Go to “60F” and head upstairs to “64F” to speak to with Gozu-Tennoh.
10	After the cutscene, leave and SAVE your game at the Terminal room at the entrance of Ikebukuro.
11	Go back to the world map through the Mantra HQ main gate. Don’t take the highway yet and proceed southeast.
12	Climb a hill and reach the northeast end and find a floating cube (Repulse Ball x1).
13	Return and go through the highway. Keep following the road.
14	You will receive a message about the Candelabrum and continue going through the highway. Prepare for another boss battle.

Defeat Hell Biker

1	Defeat Hell Biker (Use Phys and Magic attacks except for Fire and Force). Equip Kamudo Magatama prior to the boss fight. Hell Biker Boss Guide
2	Make sure you have an ally demon that can resist Fire and another one resistant to Force. Cast buffs to increase your party’s battle capabilities while lessening the boss by using debuffs.
3	Land debuffs starting with Sukunda/Fog Breath followed by Rakunda and Tarunda/War Cry. Cast buffs starting with Sukukaja followed by Tarukaja/Makakaja and Rakukaja.
4	Use strong Physical attacks or Magical attacks to damage the boss. Deal Physical attacks boosted with Focus to further damage the boss.
5	Acquire Candelabrum of Dignity as a reward.

Mantra Headquarters Walkthrough Part 2

1	After the battle, follow the highway and head southwest.
2	Go west and cross two regions of damaging red terrain to reach an area with a floating cube (Soma Droplet x1).
3	Reach the middle area between the two damaging red terrains. Go south and west to reach Kabukicho Prison’s world map location.

Mantra Headquarters Dialogue Choices

Here is a breakdown of dialogue choices for each conversation event in this area:

Conversation with Chiaki (First Question)

Item Locations

Below are the in-game locations of the obtainable items in this walkthrough:

All Item Locations

Assembly of Nihilo Item Locations

In-Game Location	Item and Location
	Yellow Kila x1 In the large central room near the Terminal room, B10F
	Tetraja Rock x2 Square rooms area, B10F
	White Kila x1 Room near the Square rooms, B10F
	Dis-Mute x1 East door before reaching 4-way split path, B11F
	Dis-Stun x1 South door of the west branch when reaching 4-way split path, B11F
	Luck Incense x1 South door of the east branch when reaching 4-way split path, B11F
	Wagtail Plume x1 South door of the west area of the Terminal room across the 4-way split path, B11F
	Red Kila x1 North door of the east area of the Terminal room across the 4-way split path, B11F
	Life Stone x3 Square rooms area, B12F
	3,000 Macca Near the Terminal room, B12F
	Revival Bread x1 South door from the west branch of the first fork, B14F
	Sacred Water x1 North door from the west branch of the first fork, B14F
	Anti-Soul Incense x1 North door from the east branch of the first fork, B14F

Mantra Headquarters Revisited Item Locations

In-Game Location	Item and Location
	Life Stone x1 Inside the left door beside a demon, B1F
	Gaea Magatama x1 Inside the right door beside a demon, B1F
	Power Incense x1 In the northeast prison cell, 3F
	Repulse Ball x1 In the world map northeast of Mantra HQ main gate
	Soma Droplet x1 In the world map northeast of Kabukicho Prison

Item Location Maps

Here are the different areas that you will explore for this walkthrough. Items are also marked on each map:

All Item Location Maps

Legend

Assembly of Nihilo 1F

Assembly of Nihilo B2F

Assembly of Nihilo B10F South

Assembly of Nihilo B10F North

Assembly of Nihilo B11F South

Assembly of Nihilo B11F North

Assembly of Nihilo B12F South

Assembly of Nihilo B12F

Assembly of Nihilo B13F

Assembly of Nihilo B14F

Assembly of Nihilo B15F

Other Walkthroughs

Main Story Walkthroughs

Labyrinth of Amala Walkthroughs

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