Luck+

Luck+ is a recurring support ability in the series. It typically increases the Luck stat by either a fixed percentage or amount.

Final Fantasy VII
Luck+ is found on the Luck Plus materia, which adds +10% to Luck per level, up to a maximum of 50% at Mastered. Luck Plus can be obtained at the Temple of the Ancients.

Final Fantasy VIII
Luck+50% is an ability learned for 200 AP on either Cactuar, Tonberry, and Eden. It cannot be learned from any items and if removed from the GFs, will be forever lost.