Hole of Steel

The Hole of Steel is the third cave of the Technical Zone in Pikmin: Planetary Evolution. It is a very metallic cave and many of the enemies within it are mechanical.

Floor 1

 * 2x Biowog
 * 1x Gatling Groink

Floor 2

 * 3x Biowogs
 * 2x Gatling Groink

Floor 3

 * 2x Greater Spotted Jellyfloat
 * 1x Man-at-Legs

Floor 4

 * 5x Gatling Groink

Floor 5

 * Boss: Iron Groink

After the Iron Groink's defeat, a note detailing the location of a treasure in one of the Technical Zone's caves is found.