What this spell will do is add a protective layer of iron armor to troops inside the radius, reducing damage from all sources by 20% The iron is heavy though, and slows troop movement by 30% while inside the radius.
Stats
Level 1: 40000 elixir, 20% damage reduction, -30% movement speed, lasts for 8 seconds
Level 2: 45000 elixir, same damage and speed reduction, lasts for 12 seconds
