Illusion spell

This spell is used for an illusion, it's mysterious and not much is known about it. They are slightly transparent

Cost: 10000
unlocks at spell factory 3

lvl 1: this spell covers 4x4 tiles and will create an illusion of a dark elixir troop, this troop draws attention from the defenses, goes through walls and is 25% resistant to defences and has varying hit points. This lasts 10 seconds

Lvl 2: costs 150000, 50% resistance to defences, summons 2 dark elixir troops and lasts 30 seconds

lvl 3: Costs 1000000, 90% resistance to defences, summons 3 dark elixir troops and lasts a minute.

Average hit points
Lvl 1: 1000
lvl2: 2000
lvl3: 4000

after the illusion troop dies his skeleton remains on the battle field, just standing still and waiting for his revenge....