SE should bring in elemental weakness and rework both blm and smn to fit in with it, it would allow for all the Egi's to be available and viable for situations, the "problem" with this game is its just hit hard and fast, there for eliminating the need to have individual summons for any other purpose. why would we need 8 summons for elements when we can do it with 3? without the need for elemental weakness. because its variety and also can be used more effectively.

Imagine going to snowcloak peak knowing its Blizzards and ice, all the mobs there are ice based, so Ifrit would be best viable to use with this a bonus for using the correct Egi and some better moves "I.E with this stacking thats coming" to make better Damage Dealing (so get some stacks and use hellfire on a boss that does some decent damage and adds a dot which can be used with our fester but is limited to the stacking thus making it something to work towards.)