"Yes, you all are now locked at 3-Moon, both for the ruin and as a safeguard. Once I unlock the suit's true power, your desires will be granted without limit. Meaning you can gain power surpassing Sun-ranks and even reaching Celestials;
however, the cost would no longer be limited to using only Force, memories, life span, emotions, your body, and your mind. Anything is fair game. There will come a time we would need this power, but that is not now."
Cain felt a massive headache coming; the worst thing you could do to a group of lunatics was to put a gift behind a lock and key; now that his squad knew they could still go higher, he started fearing what they would do if the locks were removed. So he decided not to share the unlocking procedure in the future.