Sounds great... except in theory, if one Demigod has this skill, then each team will each have to have this Demigod on their team to keep the other team from stacking.
Even then, the teams will likely still stack since LE will get rid of this with mist, Sedna will cure her entire team of it when she reaches 7... or maybe all the health stackers will just start using Orb of Defiance as a hard counter to the soft counter to health stacking that you're suggesting.
