Have a new Ability called Primal Flow It can target anyone's summon pet it would have 4 tiers for each stack and each stack will constantly drain the summoner who applied it mp by 12% of his max mp will drain each 5 secs.

Tier one just gives the summon a little bit more power to his stat
Tier two a AOE DOT that constantly deals damage to enemy's close-by the summon
Tier three turns the summon into a smaller primal summon with a aoe buff to the party
Tier four your limit brake will now be the summons final attack from the primal battles damage is based on your stat and will de-spell the summon.