|FIRST APPEARANCE||NAME ORIGINS|
|English. Grotto means cave.|
|ST-653||Starter Ver. 7||n/a|
|Hybrid||Variable (same as opponent)||Ogre Digimon|
|A ATTACK||B ATTACK||C ATTACK|
|Snake Eye Break - 580||Jack In the Box - 460||Protect (A goes to 0) - 450|
Any Ultimate Digimon + Spirit of Earth H
The Spirit stays in the Support Box until this card is sent to the Dark Area.
|A master at making weapons and armor! The warrior of the earth!!||
He is not affected by the C attack's "A goes to 0"
During the battle, for every Digimon you discard from your hand that has the power of "underground" your attack increases by 300.