I think it would be fun if there were special combo skills that us players can do for more damage. For example, let's say a mage casts Wind Thrust, and simultaneously (and at the same target/direction) an elfeen uses Wind Blast, then the result would be that both skills transform into a combo skill, say Tornado or something like that. I'm just using an example that uses the same element, which I'm not proposing as a limitation. Another example would be Eneblitz combined with Reflex...the possibilities are endless! Part of the fun would be to figure out which skills create a combo. This feature would also promote players to play together, and would be extremely useful in raids and against bosses in general. I think I got this idea from Final Fantasy.