Origin/Class of Jarvan IV

Jarvan IV Mighty Mech
Gain The Mighty Mech. Mighty Mechs heal it for 10% of the damage they deal.
Unlock the Mightiest Mech
Each Mighty Mech champion's star level increases The Mighty Mech's power.
3
The Mighty Mech arrives5
Blade Protocol: Level 17
Blade Protocol: Level 2
Jarvan IV Strategist
Combat Start: Allies in the front 2 rows gain a shield for 15 seconds. Allies in the back 2 rows gain Damage Amp. Strategists gain triple.
2
150 Shield; 4% 
3
225 Shield; 6% 
4
350 Shield; 10% 
5
450 Shield; 14% 