Crystal Caverns

Crystal Caverns is chapter 20. It has 40 rooms. A boss waits on every tenth floor; the last boss is the chapter boss.

Bosses

Room	Boss
10	Gemhide Burrower — The Tunneller
20	Resonance Choir — Three Voices of Crystal
30	Prismatica — Hydra of Light
40	Heartstone Titan — The Living Geode — chapter boss

Themes and enemies

Official palette: amethyst, sapphire, prismatic refractions, dark basalt.

Regular foes in this chapter include Crystal Golem, Echo Wisp, Geode Tortoise, Glint Serpent, Prism Bat, Quartz Spider, Shard Mite.

First-clear reward

The first time you clear this chapter you earn 23,000 gold, 1,400 gems, 7 Golden keys, 5 Diamond keys, 24 weapon / 24 armor / 24 accessory scrolls. Numbers and some details come from the current development build and may change before launch.

See Chapters for the full list, or Progression for how chapters unlock.