Acid Caverns Map (Atlas of Worlds)

Acid Lakes Map was a linear cave that takes you for a stroll along an acid lake. The path widens often, creating large open spaces. Since version 3.1.0 (War for the Atlas), it became a legacy variant of and since version 3.5.0, a double legacy of. Using the legacy variant of the map item would generate the new layout and new boss of the map area, but retaining the old tier (4) instead of tier 13 or 14.

Boss Arena (Atlas of Worlds)
Located at the end of the path, the arena is large and has an acid pool in the middle. Entrance seals when the boss is engaged and opens when he's killed.

Boss (Atlas of Worlds)
Mirage of Bones summons up to 4 copies of himself. Copies don't move and don't use any skills. Copies are created with the current boss' life, curses, etc. Killing copies has no effect on the boss.

Unlike the Desert Map boss, copies also have the same attacks as Mirage of Bones - they look and act as if they were bolts and always pierce.

Boss Video
Карта едких озёр (Атлас миров)