Hero: Every Hero has his/her exclusive relations. They will gain incredible power when get together.
Gear: Handy weapon and suitable gears make your Heroes fiercer in warfare.
Skill: Different Heroes have different talents. Make good use of their talents and choose the right skills.
Advance: Heroes will enjoy great improvement in March and Headway.
Guardian: Guardians also have exclusive relations. Own special or joint Guardians to cheer up your Troops.