Summoning magic has always been difficult to skill up. Just simply summon, blood pact, release, isn't enough, never has been unless you got a skill up bot doing it for days. It's still faster to apply in regular usage against mobs, mainly NMs now.

I dread skilling up summoning magic and it's only went up a total of 0.4 points while i was in the process of going from 91-95 in an exp party.