Source Nightmare is a level ?? Boss in Divinity: Original Sin Enhanced Edition.
- The Source Nightmare sucks one beam of water from the sea on the very first turn. Then it will randomly suck up to 4 beams, allowing it to charge up its water power - 4-charge spell will be the strongest.
- If everyone is out of range of the Boss's water attacks, it will summon Spiderlings and use ranged attacks.
- The Nightmare has a Crawling Infestation skill -- a debuff that, after 1 turn, kills its victim and spawns 2 blood creatures. Crawling Infestation can be dispelled using Purifying Fire.
- The boss is immune to all ground surfaces.