Death's Gambit - Thalamus (No Damage)

Not all that hard of a boss since it's just survive but I will say that the design is really nice for this one. It really does a Lovecraftian horror well.

Y'lnoth Deaths Gambit Wiki

Official Death's Gambit Subreddit

ArtStation - Death's gambit

Death's Gambit : Afterlife - The FULL Cinematic New Endings A & B【Thalamus' Gambit + Death's Gambit】

Death's Gambit : Afterlife DLC - ALL HEROIC BOSSES 【 No Damage 】

Death's Gambit: Afterlife heroic Thalamus NG+9

Fast travel, Thalamus, and Ylnoth - New Game Plus (NG+1) - Death's Gambit: Afterlife - Episode 26

Death's Gambit Review - A Maddening Mission - GameSpot

Death's Gambit Thalamus Boss Fight

Steam Community :: Death's Gambit: Afterlife

Dark Knight Deaths Gambit Wiki

Steam Community :: Death's Gambit: Afterlife

Death's Gambit: Afterlife (Switch): Software updates (latest: Ver. 1.2.4) - Perfectly Nintendo