Lapis Cave (ぐんじょうの どうくつ Ultramarine Cave) is a main-story dungeon accessible in both Red and Blue Rescue Teams. It is the 8th main dungeon in the main story, and is accessed after completing the events leading up to, during and after Great Canyon. It has 14 floors in total, and is the first of the dungeon chain during the fugitive period.
Weather conditions do not occur, and buried items, monster houses and shops appear at any given floor.
| Spoiler warning!|
This article contains plot details about an IMPORTANT EVENT!!!!
The player and partner then leave for the next day, and are considered fugitives at this point. However, once reaching the entrance of Lapis Cave they hear faint voices, and they soon realise that the townspeople are actually chasing after them. They then have to hurry through the 14 floors of Lapis Cave, and once exiting stop to catch their breath and see if the others have caught up. Unfortunately, the have, and the player and partner have no choice but to trudge on to the next dungeon.