Posted on 01 March 16 at 05:17, Edited on 19 March 16 at 07:56 by ForbiddenJobu
Mages are great for grinding this achievement, as I'm fairly sure* that you get credit for reflecting all 3 projectiles.
*Edit: I'm 100% sure now, as when I had the ring that gives 1 gold per reflected projectile, I received 3 gold each time I reflected a mage's tri-bolt attack.