Every Boss Soul can solely be obtained as soon as per playthrough, that means you will have to beat the sport a number of instances to acquire each attainable reward.
To open up the opportunity of utilizing Demon Boss Souls to make new weapons, you could first use the Flamelurker‘s Searing Demon’s Soul by giving it to Blacksmith Ed to unlock Superior Weapon Crafting. Many of those new crafting recipes would require different highly effective weapons along with the boss soul to create one thing new – however they will also be given to spellcasting NPCs to study new spells.
Under is a listing of all of the Boss Souls in Demon’s Souls. Click on on a soul to study extra info on the varied makes use of they’ll have.