Final Fantasy X / X-2 - Seymour Natus and Mortibody Boss Guide

A boss guide for Seymour Natus and Moritbody in Final Fantasy X including bosses' stats, attacks, and strategies for defeating them.

FFX Seymour Natus Boss Guide

Seymour Natus Boss Information

Stats

HP 36,000 (3,500 Overkill)
MP 200
Strength 30
Magic 25
Defense / Magic Defense 1 / 1
Agility 21
Accuracy 100
Evasion 1
Luck 15
AP 6,300 (9,450 Overkill)
Gil 3,500
Weakness None
Strong Against None
Absorbs None
Immunity Silence, Sleep, Darkness, Petrify, Slow, Zombie, Magic Break, Armor Break, Mental Break, Threaten, Death, Doom, Demi, Delay, Capture
Location Encountered Bevelle

Items

Steal Tetra Elemental
Drop Lv.2 Key Sphere, Weapons (Piercing, Firestrike, Lightningstrike, Waterstrike, Icestrike), Armor (SOS Shell)

Attacks

1) Multi-magic

FFX Seymour Natus Boss Guide

Casts a level 2 version of an elemental attack on two targets. Hits the same character twice if there are no other targets active.

2) Protect

Increases its physical defense.

3) Break

FFX Seymour Natus Boss Guide

An attack that can cause petrification to a single target. Is followed up by Mortibody’s Shattering Claw to instantly kill a petrified character.

3) Flare

An extremely powerful magic attack on a single target.

3) Banish

Instantly kills a summoned aeon.

Mortibody Boss Information

Stats

HP 4,000
MP 50
Strength 22
Magic 20
Defense / Magic Defense 50 / 1
Agility 28
Accuracy 100
Evasion 1
Luck 15
AP 1 (2 Overkill)
Gil 0
Weakness None
Strong Against None
Absorbs None
Immunity Silence, Sleep, Darkness, Poison, Petrify, Slow, Zombie, Magic Break, Mental Break, Death, Provoke, Doom, Demi, Capture
Location Encountered Bevelle

Items

Steal None
Drop None

Attacks

1) Elemental Magic

FFX Seymour Natus Boss Guide

Casts a basic version of an elemental magic on the entire party.

2) Desperado

FFX Seymour Natus Boss Guide

An attack that removes all positive status effects on all characters, including NulAll, Shell, Protect, Reflect, Haste, and Regen.

3) Shattering Claw

An attack that instantly kills a petrified target.

3) Cura

Heals Seymour when he is below 24,000 HP.

3) Mortibsorption

FFX Seymour Natus Boss Guide

Saps HP from Seymour to revive itself. Absorbs 4,000 on its first death, 3,000 on the second, 2,000 on the third, and 1,000 on the fourth onward. Mortibody will do this even if the spell kills Seymour.

Strategy

Use trigger commands

You can have Yuna, Auron, and Tidus talk to Seymour at the beginning of the fight to increase their stats. Talking to Seymour raises Yuna’s magic defense and Auron and Tidus’ strength.

How to defeat Seymour Natus

The Mortibody assists Seymour by removing all positive status effects from the party. These include NulAll, Shell, Protect, Reflect, Haste, and Regen. The Mortibody will start the battle by casting a basic elemental magic spell. Seymour will then follow up by double-casting that spell’s level 2 version.

A good strategy is to come into the fight with all aeons at full Overdrive. Seymour will banish each aeon, though you will get at least one turn to unload on him with each aeon’s Overdrive attack. This allows you to deal massive amounts of damage to Seymour in a short amount of time.

If Seymour is still alive, you can further your preparation for the fight by having all party members at full Overdrive gauges as well. You can recover from Break status by having Rikku use Al Bhed Potions before the Mortibody uses Shattering Claw. To stack even more damage, have Lulu cast Bio on Seymour.

Steal Tetra Elementals

The rare recovery item Tetra Elemental can only be stolen from Seymour Natus and Master Tonberry. Make the most out of the encounter and obtain one from the boss.

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