|First appearance||Marucho's Mission|
Abis Omega is a slithering serpent. It has three fins that allow it to swim. It is capable of swimming in fresh and salt water and has a flexible body that can strike. It can coil around and squeeze tightly to defeat its foe. It has a two-tone colored body with diamonds along the side allowing it to blend into its surrounding make it unnoticeable.
- Dry World: Prevents the opponent from activating Aquos abilities, and transfers 200 Gs from the opponent to Abis Omega.
Abis Omega has several variations. The Pyrus version has 760 Gs, The Aquos version has 650 Gs, 610, or 450 Gs. The Ventus version has 730 Gs and the Aquos BakuSteel version has 580 Gs. The Aquos version in "BakuCore (B3)" has 670 Gs, while the Pyrus BakuCore has 650 Gs. The Clear version has 530 Gs.
|Pyrus:||650 Gs (BakuCore), 730 Gs (Translucent), 760 Gs|
|Aquos:||450 Gs, 580 Gs (BakuSteel, BakuLyte), 610 Gs, 610 Gs (BakuSteel/BakuFlip), 650 Gs, |
670 Gs (BakuCore)
|Subterra:||530 Gs (BakuSolar)|
|Haos:||750 Gs (BakuFrost, BakuFlip), 770 Gs (Translucent)|
|Ventus:||560 Gs (BakuNeon), 730 Gs, 820 Gs (BakuCore)|
- On the New Vestroia poster, its name is misspelled as Abiso Mega.