Roleplayer of the month May

This is now closed. Sophie is Exempt from this poll as she has not been active. Winners are Jerra, Oblivion, Aura, Aurora. So please pick what you'd like~

Available passives:
HP Up - Increases HP during battle grid by 30%
Element Null - (Pick an element) attacks do half damage.
Null Stun - Stun is ineffective.
Auto-Shell - Decreases magic damage by a quarter.

Available Usable Abilities/Spells:
Curse - Lowers a single enemies HP by 25%.
Injury - Lowers a single enemies Physical Attacks damage by 25%.
Drain - Drains 25% of a single enemies HP and gives it to the user.
Erase - Removes all beneficial status effects from a single enemy.
Element Change - Allows the caster to change the elemental weakness of any one enemy.
Berserk - Makes a target only attack. They cannot use spells or any items for three turns. (With rpers permission.)
Countdown - Starts a timer of 8 posts/turns till the enemy is automatically killed. Can only be used once per battle grid. DOES NOT WORK IN PVP.
Counter - Has a 50% chance of countering physical attacks and stopping a combo chain. This must be cast on the user before battle. Lasts for an entire thread.

Items:
Auto-Life - Must be used to gain the effects. Upon death the person with auto-life is revived from death with 25% of their maximum hp. Can only be used once.
Auto-Revive - Must be used to gain the effects. Revived from KO status with 25% hp. Can only be used once.

I'm going to take HP-UP passive (Raiden).