Using estus flask will recover your health. you can refill your estus flask by resting at a bonfire. There is a big chance of you getting attacked while using it, so always be on alert when to use it and when your using it. You can use more than one estus flask at once by tapping on □. Some enemies also use their estus flask to restore their health.
How to upgrade
By giving a estus Shard to blacksmith Andre at Firelink Shrine, he will upgrade your estus flask. You can have up to 12 estus flasks.
|High Wall of Lothric||On an anvil in a room with a bone dog and 2 hollow soldiers.|
|Undead Settlement||The body by the burning tree where you will see the first witch.|
|Firelink Shrine||Buy the tower key. Go up the roof of the shrine and near the second Picklepum.|
|Road of Sacrifices||The body on the side of the ruins with 2 enemies with gravestones.|
|Farron Keep||Outside the Farron Keep bonfire, area to your left with a leaning pole.|
|Cathedral of the Deep||Outside the Cleasnsing Chapel bonfire and the hill to your right where enemies are praying.|
|Smouldering lake||Past a illusionary wall at Old King’s Antechamber bonfire.|
|Irithyll Dungeon||Once out from the first dungeon, the mimic in the second bilding will have the shard.|
|Grand Archives||Area with golden winged enemies.|
Undead Bone Shard
By buring it at the Firelink Shrine’s bonfire it will increse HP recovery of your Estus Flask.
|Undead Settlement||The platform to the right at the area where the giant throws arrows.|
|Cathedral of the Deep||Past the area with a tons of sketetons spawning.|
|Farron Keep||The area with a bunch of slugs near the 3 fires that has to light up.|
|Catacombs of Carthus||Destroy the skeleton ball by killing the skeleton wearing a hat.|
|Smouldering Lake||・By killing the giant worm.
・The body behind 2 fire demons.
|Irithyll of the Boreal Valley||Down the stairs from the Church of Yorshka bonfire, go left once outside and near the tombstone.|
|Profaned Capital||Near the Profaned Capital bonfire.|
|Consumed King’s Garden||Coming from Lothric Castle, get off the elevator halfway.|
|Lothric Castle||Below the bridge with 2 dragons|
|Grand Archives||Jumping from the very end of the roof on top a building.|