Skill suggestions:

Tanben

Green Slime
So far the game is more than I had ever imagined. I offer a few suggestions for additional skills.

Obviously noticeable buff/support skills.
-A heal or heal over time
-A Energy recovery spell / regen ability
-A damage prevention shield (Absorbs X amount of damage before expiring)
-Have haste actually improve movement speed, casting speed or attack speed (is not noticeable)
-Other stat increases, such as attack power or magic attack
-Weapon enchantments that apply elements or that simply apply matk to all attacks
-Lifesteal (Damage converts to health)

Defensive skills (Blocking is great, but some additional abilities to protect yourself and allies would be great)
-An ability that takes damage for your selected allies
-An ability to block/reflect ranged attacks (or at least reduce them)
-Teleportation (short range during combat)
-Abilities that simply improve the effectiveness of using your shield
--Reflecting damage on block/perfect block
--Improving reflected ranged attacks
--Larger shield area
-Possibly shield attacks (shield boomerang, slam or whatnot)

Offensive spells
-This is endless, but this game desperately needs more of the wonderful abilities you have already created
--Maybe a focus on holy/dark/poison/necromancy

Melee abilities
-Back stab (please?)
-Sunder (reduce enemy defenses)

Additional weapon types
-Spear abilities please
-Bow abilities

Trap abilities
-Ankle Snare
-Claymore
-Turrets
-Ice trap

My only other input is it would be great to be able to apply your own stats beyond wearing specific equipment (For all those mages out there!)
 
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