I couldn't miss the chance to practice my drawing!
Nightingale is an Animals ability. As with all Animals abilities, Nightingale can be randomly summoned when user achieves certain level, which for Nightingale is level 10. They restore HP to the party as well as remove Blind and Poison. It is a good alternative to White Magic at early stages of the game as it allows to save MP for tougher encounters and is restores more HP than group-casted Cura in addition to removing two status ailments.
Nightingale is a Job ability for Bards. It is a Merit ability, and thus only available to players at level 75 and higher. The ability halves the time to cast and recast songs, and lasts for a duration of 1 minute. The ability may be used every 20 minutes, with further Merit upgrades decreasing the recast time.
Nightingale is a small passerine bird that was formerly classed as a member of the thrush family Turdidae, but is now more generally considered to be an Old World flycatcher, Muscicapidae. It belongs to a group of more terrestrial species, often called chats.