Like halo 1 Jackal (See photo below) has a shield that protects other troops. no receive damage of archers towers and canyons. this defenses only affect shield. but receives splash damage of defenses (like mortar)
Name : Squire ( Shield bearer )
Training Cost : 100 Dark Elixir
Training Time : 10 minutes
Housing Space : 6
Shield : 400. (Exhaustible Shield)
Movement Speed : 14
immune to damage of defenses like archers tower, cannon or mortar.
but can be hurt by spells of wizards tower, the mystic thunderbolt of crossbow, or fire of tower inferno.
also would have the ability of to cross walls
Name : Ghost
Training Cost : 200 Dark Elixir
Training Time : 15 minutes
Housing Space : 8
Hit Points : 350
Movement Speed : 8
Damage per second : 80