4 clarifications

1-Toji will not have domains or broken techniques

2-Toji will only use the cursed energy for 3 things

heal himself or other people, empower his body, use the black flash

3-If they believe that the original Touji can face the Dark Devil without these powers, they are somewhat lost.

"After opening the seal where the Curse of Inventory is located, he will lose most of that negative energy, leaving only enough to heal himself or others for a certain period of time or to enhance his body for a while."