I believe the limit would be 14 arrows. 2 Per Chip = 10, +2 Corrupted Forgespark, +2 Regular Forgespark. It will definitely be some big hits tho, and Lucky 3 can cause it to deal x4 :D Magic wont boost it because it deals Attack Dmg tho.
awww im only gonna deal 82790902400 damage now. me sad :(