Time magic that conjures up a super massive field, inflicting damage with powerful gravitational forces.
—Description, Final Fantasy Tactics.
Revenge with dark-evil spell! Demi!
—Upon casting in PlayStation version.

Demi, is a spell learned by Time Mages for 250 JP. It costs 24 MP to cast with thecharging speed of 17. It reduce the targets in the area by 1/4 of their max HP. The damage fraction is the same as Oracle Art Invigoration with nearly instant casting speed of 50 and ignoring target's magickal evasion, but demi has higher hit-rate and can hit multiple targets. It is effective against many of the Lucavi bosses due in part to their having a couple thousand HP and having no resistance to demi.