Imperilga

Imperilga (ウィーガ) is a spell present in Final Fantasy XIII and its direct sequel. It is an area of effect spell that gives the status Imperil to its targets.

Final Fantasy XIII
Imperilga is a status ailment spell available in the Saboteur role classified as a debuff spell. It deals minor magical damage and reduces one enemy's elemental resistance. Imperilga is learned on Stage 8 in the Crystarium by Vanille, and on Stage 10 by Lightning and Fang.

Final Fantasy XIII-2
Imperilga returns in the Final Fantasy XIII-2, and it keeps the same effect and ATB cost. It can be learned by Serah and by various Paradigm Pack monsters. Like all Saboteur spells, Imperilga also deals damage to the target, namely, Wound damage that lowers the target's maximum HP. It can be learned by Nabaat (level 8), Ahriman (38), Pantopoda (45), Rangda (56), and Chelicerata (99).

Final Fantasy Brigade
Imperilga is available as an ability in this game.