[Demon Sword Ubist has consumed the Hell Greatsword.]

[Entering Gluttony mode.]

[It is an SS-rank item. The effects of Gluttony are strengthened significantly.]

[For 30 minutes, the demon sword and your character's abilities are tripled.]

[While Gluttony is active, you have infinite Stamina.]

[Demon Sword Ubist's attack power has increased. Current Attack Power: 2,013.]

[The activation rate of Rip Apart has increased significantly.]

[You may use all of the consumed item's abilities. This includes Awful Pain, Evil God That Dwells In Your Back, Soul Absorption, and Annihilation Spear.]

It was actually worth it to use Gluttony on an SS-rank weapon.

First off, he had infinite Stamina!

Transcendent Blade and Mad Wind's Sword cost a ton of MP and Stamina, but now, he'd be able to use them without holding back. 

His belt's 'Eternal Spring' ability gave him enough MP to use these skills as much as he wanted.

Demon Sword Ubist's attack power had also gone up from 1,513 to 2,013.

To add to that, 'Rip Apart' would activate more frequently now!

Lastly, the Hell Greatsword had four item effects.

Awful Pain, Evil God That Dwells In Your Back, Soul Absorption, and Annihilation Spear. It had four tremendous abilities, and...