▁different ▁set ▁of ▁skills . ▁ ▁The ▁An cient ▁C ave , ▁a ▁randomly ▁generated ▁d unge on ▁composed ▁of ▁ 9 9 ▁flo ors , ▁is ▁presented ▁to ▁the ▁player ▁as ▁a ▁side - quest ▁in ▁the ▁town ▁of ▁Gr uber ik . ▁Every ▁time ▁the ▁player ▁enters ▁the ▁cave , ▁a ▁new ▁layout ▁is ▁generated , ▁similar ▁to ▁the ▁ro g uel ike ▁genre . ▁Within ▁the ▁cave , ▁the ▁characters ▁are ▁down grad ed ▁to ▁zero ▁experience ▁points ▁and ▁stri pped ▁of ▁nearly ▁all ▁equipment ▁and ▁items . ▁The ▁player ▁must ▁proceed ▁through ▁the ▁cave ' s ▁flo ors , ▁collect ing ▁equipment , ▁finding ▁magic ▁sp ells ▁and ▁increasing ▁levels , ▁with ▁the ▁objective ▁of ▁reaching ▁the ▁An cient ▁C ave ' s ▁final ▁floor . ▁There ▁are ▁three ▁ways ▁of ▁exit ing ▁the ▁cave : ▁by ▁dying , ▁by ▁reaching ▁its ▁bottom ▁or ▁by ▁finding ▁and ▁using ▁an ▁item ▁exclusive ▁to ▁the ▁cave , ▁named ▁" prov idence ". ▁Within ▁the ▁cave ▁lie ▁two ▁kinds ▁of ▁ch ests , ▁blue ▁and ▁red . ▁Red ▁ch ests ▁contain ▁items ▁which ▁can ▁only ▁be ▁used ▁inside ▁the ▁cave ▁for ▁the ▁duration ▁of ▁the ▁playing ▁session . ▁As ▁soon ▁as ▁the ▁player ▁leaves ▁the ▁cave , ▁all ▁items ▁from ▁red ▁ch ests ▁disappear , ▁except ▁for ▁" I ris ▁Tre asures ," ▁which ▁cannot ▁be ▁equ ipped ▁and ▁serve ▁only ▁as ▁collect ibles . ▁The ▁rare ▁blue ▁ch ests ▁contains ▁items ▁which ▁can ▁be ▁used ▁outside ▁the ▁cave ▁and ▁brought ▁back