Octo

Master Octo, Soto has teamed up with a pirate called Jack, he is going to raid a ship

Oh this will be fun... - Leokoblin and Octo on Soto

Octo is an Octopus who is the main antagonist of Season 6 and leader of the Imperial Hunters.

= Season 6 =

The Imperial Hunters
Octo, a follower of Darky, sends Leokoblin and his hunters on a quest to kill Soto. When Leokoblin reports back to him, Leo tells him that Soto has teamed up with Jack and escaped and Octo says "This will be fun..."

Pirates
Octo and Leokoblin hunt down Soto and Jack until they find a pirate ship that they are raiding. While they are fighting Octo watches from far away.

Sea Monster
Octo lures Soto and Jack to a cloud where he fights them. He knocks out Jack and Soto hits him down on the ground. Octo disappears and goes to Leokoblin, who summons two sea monsters.

Old Man Leokoblin
Octo sends Leokoblin to a campsite where he fights Soto. Octo, again, watches from far away as Soto and Jack fight the Old Skeleton, and is surprised when Jack spares him.