The marine life's shadow and the undead creatures' shadow of death.
Both are the favorite food of the Shadow Spider Lord.
Especially the Undead of Strait Valley.
The Shadow Spider Lord has a particular philosophy: "Take life and death lightly, focus on feasting!"
It ate with such delight inside there.
Not only did the Sequential Undead Shadow Spider Lord consume a large quantity,
but some of the lower-level undead lords were also devoured in substantial numbers.
This led to several of the powerful undead lords chasing after him to "Origin World Island."
Fortunately, Origin World Island was the perfect place of refuge, where the undead lords dared not linger for long.
Otherwise, out of Shadow Spider Lord's eight legs, at least two or three might have been broken off by those undead lords.
Tuck, having entered the Shadow State, firmly took his seat atop the Shadow Spider Lord.
"To the Forbidden Land of Seals."