Dark healer?

This would be like a healer but it makes the troops gose faster and stronger!

Description: The healer's evil sister have come to create destruction! Casts magical spells of rage.
(lv 1)
Rage: 20% increase for 1 second.
hittpoints: 800
training costs: 300 dark elexir
rate: shoots every 1 second.
speed increase: 15 for 1 second
favorite target: any
rage type: area splash
targets: ground
housing space: 14
training time: 15m
movement speed: 16
max lv : 4



if you have any ideas for inprovements please comment !!!:)

It's not really a healer if it casts rage spells. Plus I dont think u really need this because there is already a rage spell