The Spell Bouncer Trap. - Whenever an attacker drops a spell in the area covered by the Spell Bouncer Trap, spell bottle will bounce away 7 hexes away randomly from the target.
The Heal Constrictor - whenever an attacker drops a heal spell. it doubles the damage taken from the towers instead of healing the troops.
SERIOUSLY : lightning spell is just fine. no need to do ANYTHING to it. currently I have 143k of DE, I'm in Crystal League. I rarely get zapped. 1 out of 8-10 attacks.

