[0.914][Bug] Summoner's Boon can be cast multiple times
from 
Elemental Forums
Elemental Forums
Summoner's Boon can be cast multiple times on the same unit and the cumulative bonuses will stack.
Example Images:
Earth Elemental with 400% attack:
The ledger, which shows Summoner's Boon enchantment 8 times on the same unit:
