Storm Diver's Additions Mod/HellSoul Cauldron

The HellSoul Cauldron is a miniboss that spawns in the Underworld once all 3 mechanical bosses have been defeated. It flies around the player and cycles through 3 different attacks: On death it will drop a large amount of s.
 * It will summon 3 soul beams at a time that accelerate towards the player that inflict the debuff.
 * It will summon soul flames that quickly homes towards the player but have a short life and also inflict SoulBurn.
 * It will freeze in place and summon 3 s, during this phase its defense is increased to 100.

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HellSoul Cauldron Banner

Trivia

 * Its servants resemble a smaller version of itself.