The Aura Bloon is a bloon. It is the weakest bloon to posess any Aura Barriers (it has 6 of them) HP: 8 (Core) 4 (Barriers, per each) Children: 1 Rainbow Bloon Resistances: Takes half damage from light. Speed: 7 BPS (Same as Rainbow Bloon) RBE: 55 (Discounting barriers) It first appears on round 44. Bloontonium 0.5% Aura Stone 0.4%