Oh, wonderful, thank you!
Sorry about the moving tile puzzles - thankfully, they only make a couple brief appearances after the 2nd dungeon.
Rot13 for the solution:
Fgnegvat sebz gur ebbz jvgu gur erq urnyvat Cbttyr:
1)Gnxr gur 3eq gvyr sebz gur gbc
2) Gnxr gur gvyr qbjajneq
3) Gnxr gur yrsgzbfg gvyr, gura zbir nyy gur jnl evtug, gura zbir hc
Vg vf erpbzzraqrq lbhe cnegl vf ng yriry 3 orsber gur obff svtug.