Description: Well basically it creates a ring where troops can spawn in a area they can't , there is a maximum amount troops can spawn in the ring depending on the spell level.
Research/Spell Levels ;
Spell level 1: 15 troops can spawn in.
60000 Elixer cost
Spell level 2: 20 troops can spawn in.
65000 Elixer cost
Spell level 3: 25 troops can spawn in.
70000 Elixer cost
Spell level 4: 30 troops can spawn in.
75000 Elixer cost
