Two more heroes I thought of:
Stormtalon: (Melee Flying Physical) the thunderbird that can channel lightning from the skies. This creature can also shock enemies attacked by its beak or attacking the skin.
Skill 1: Call Lightning: Strikes the target with a lightning bolt, shocking it and dealing significant magic damage.
Skill 2: Static Skin: Chance to shock enemies when attacking and when attacked in melee.
Skill 3: Aerial Mastery: Ascends into the sky, dives to attack the target. Damage is increased when attacking aerial units.
Skill 4: Focus: Chance to replenish 2x energy when attacked (100% for enemies below a certain level).
Glarous: (Melee Walking Magic) a powerful basilisk with a glare and a deadly bite that can turn opponents into stone. A cousin of medusa, few of its victims have remained as statues, fewer still have recovered before being smashed to pieces.
Skill 1: Statue Tomb: a powerful strike that turns the target to stone for two turns.
Skill 2: Deadly Glare: chance to turn opponents to stone for one turn when attacking.
Skill 3: Stone Smasher: attacking enemies that are turned to stone deals increased damage.
Skill 4: Endurance: defense and magic defense is increased if health drops below 50%.