Isaac

Quick answer: Isaac — the Devil Forgemaster from Castlevania: Curse of Darkness — is confirmed as a boss in Belmont's Curse. His fight and Arcana await full details at launch.

Who is Isaac?

Isaac first appeared as a Devil Forgemaster in Castlevania: Curse of Darkness (2005), serving as a rival to Hector. He was later reimagined as a major character in the Netflix Castlevania series, where his story diverged from the games.

In Belmont's Curse

Isaac is confirmed as one of the six bosses (full list). Which version of Isaac appears — the game's Devil Forgemaster or a new interpretation — isn't published yet. TBD.

The Isaac Arcana

Defeating Isaac seals him into an Arcana. The exact effect has not been confirmed. TBD.

Strategy

A full Isaac strategy guide lands when the game is playable on October 15, 2026. Bookmark this page.

Related: Bosses · Arcana System · The Fallen