Undernauts: Labyrinth of Yomi

[Ultimate Undernaut Mission] You completed all undernaut missions and received an excellent evaluation.

[Expert Undernaut Mission] You exited Yomi and returned to the surface.

[Rookie Undernaut Mission] You established yourself as a collector of D-rarity weapons and armor.

[Novice Undernaut Mission] You established yourself as a collector of C-rarity weapons and armor.

[Standard Undernaut Mission] You established yourself as a collector of B-rarity weapons and armor.

[Expert Undernaut Mission] You established yourself as a collector of A-rarity weapons and armor.

[Legendary Undernaut Mission] You established yourself as a collector of S-rarity weapons and armor.