NulAll

NulAll (バオル Baoru), also known as Wall, is a White Magic spell that protects against damage from all elements.

Final Fantasy
NulAll, also known as WALL in the NES release, is a level 8 White Magic spell from which reduces spell damage by fifty percent and also protects from Instant Death. Unlike previous Nul spells, NulAll can only target a single ally.

The spell can be bought at Gaia and can only be learned by the White Wizard Job class. In the Dawn of Souls and 20th Anniversary Edition releases, it costs 40 MP to cast.

Final Fantasy X
NulAll adds NulBlaze, NulFrost, NulShock, and NulTide. Kimahri's Mighty Guard Overdrive casts NulAll in addition to Protect and Shell. Sandy of the Magus Sisters is able to cast the spell. It is also provided by using the Tetra Elemental item.

Rikku can also Mix several types of NulAll: the normal version affects one party member, Mega NulAll, which affects all party members, Hyper NulAll, which adds Cheer and Focus, and Ultra NulAll, which adds all stat boosts to the "Nul"- spells.