Virtua Forest Depths

Virua Forest Depths is a dungeon in Hyperdimension Neptunia mk2. 

File:Virtua Forest Depths.png

Virtua Forest Depths Map

Also there is a boss battle against Underling.

Hyperdimension Neptunia mk2 and RE;Birth 2 dungeons Planeptune Virtua Forest  · Virtua Forest Depths  · Darkness 60  · Severed Dimension & Core  · LAN Castle & Keep  · LAN Castle Secret Hall  · Panan Jungle  · Powerlevel Island  · Junk Box  · Oblivion Ruins  · Hellfire Grotto Lastation Septent Resort  · Rebeat Resort  · Endless Zone  · Midcompany  · Arfoire's Factory  · Infinite Corridor  · Way of Saburai Lowee Lowee Global Expo East & West  · World Maze, 1st & 2nd Layer  · Iris Field  · Atari Marsh  · Icicle Pathway Leanbox Gapain Field  · Underverse & Underverse Core  · Trinity Step Other Gamindustri Graveyard (Dungeon)