Ability Steal Made Me a Calamity-Level Newbie

Synopsis

[Stealing your ability.]
Sword Saint: ?

[Stealing your trait.]
Saintess: ?

[Stealing your stats.]
Heavenly Demon: ?

[I’ll just steal everything.]
Demon King: ?

With 50,000 hours of playtime, he sets out to see the ending of a world that no one has ever managed to clear.