A.

Scholar
-Final Fantasy III
-Final Fantasy XI
-Final Fantasy TA2

Bard
-Final Fantasy III
-Final Fantasy V
-Final Fantasy X-2 (Songstress)
-Final Fantasy XI
-Final Fantasy Tactics
-Final Fantasy TA2

Blue Mage
-Final Fantasy V
-Final Fantasy X-2 (Gun Mage)
-Final Fantasy XI
-Final Fantasy TA
-Final Fantasy TA2
-Strago Magus is a Blue Mage
-Quistis Trepe is a Blue Mage
-Quina Quen is a Blue Mage
-Kimahri Ronso is a Blue Mage

Q. In which games does the ability Aura appear, and what does it do in each instalment?