The fact that De-Infested Kerrigan going all out is already able to handle Hybrid should be proof that the Hybrid shouldn't scale to a well rested peak Primal Kerrigan.
They're only shown and stated to be a threat to De-Infested Kerrigan or a Fatigued Primal Kerrigan or a Handicapped Primal Kerrigan
They're only shown and stated to be a threat to De-Infested Kerrigan or a Fatigued Primal Kerrigan or a Handicapped Primal Kerrigan
You do understand that the one who performed the High 6-A Storm Feat is Base Primal Kerrigan going all out with her Psionics?