Ok, as an undying warlock I cast flamestrike. It does 4d6 radiant damage plus 4d6 fire damage. Would I add his charisma modifier to both as in 4d6+mod fire+ 4d6+mod radiant OR 4d6+mod for eaach damafe die ie. x4 plus 4d6+modx4? radiant?
Im wondering cause as you look at his cantrip searing light...