First,a s to tactics: I like the idea of tactics, but grouping that closely is a problem. If we all stay together, we give our opponents the advantage of being able to rush us. We also risk being much more easily surrounded. How bout this idea:
Tormal and Li: Skirmishers. We engage the enemy, and choose targets as need be. Li can heal, so we can stand getting a little ways away from support.
Ayla: Archery Support. She stays towards the rear with the casters and picks off any enemies who approach the rear (only Tormal gets to approach the rear
). Having Ayla prevent melee mighters from getting to our casters will be much more efficent then waiting unitl they get close enough for Li and Tormal to take them out. Ayla would also try to keep combatants from escaping.
Felix: Flexibility. Felix is our wild card. He does whatever needs to be done, but for the most part I would think he would stay closer to the rear then Li and Tormal, but further forward then the casters.
Oceas: On battlefield support. Clerics can hold their own in battle, so I would think Oceas could wade out into melee to do any nessecary healing. Keep in mind that Li can heal some, so, with any luck, in any but the most drawn out battles, healing can wait until after the fighting dies down.
Tyrm: Tyrm is the only one we really can not afford to let get into melee. He should be towards the back, with Ayla keeping enemies from getting close to him.
Ceru: Ceru should stay back with Tyrm, using summoned creatures to slow down anybody who tries to get to him.
So we end up with a setup like this: a front 2 of Li and Tormal, Ayla, Ceru and Tyrm towards the back, with Felix and Oceas somewhere inbetween, filling in the holes.