(Champion Idea) Loran, the Rising Vanguard
Lore: From young age Loran admired Jarvan III and
Jarvan IV . Left home vowing to not return before becoming a great hero worty of being one of the Lightshields. Nowadays he is among the leaders of Dauntless Vanguard, seeking for a feat glorious enough for his ambition.
Weapon: voulge/glaive/naginata or any other slashing polearm 
P: Evasive Stance Movement commands after performing a basic attack cause Loran to dash a short distance. This effect has a 7 second cooldown, reduced by 1 second when basic attacking champions.
Q: Voulge Swing (Cooldown: 8 sec) Deals 50/85/120/155/190(+40/50/60/70/80% bonus AD) damage to enemies around Loran. Cooldown decreases by 1 second for every champion hit.
W: Hamstring (Cooldown: 15/14/13/12/11 sec) Loran's next two attacks slow his targets by 25 and 40% respectively. If Voulge Swing or Heroic Leap is used during Hamstring, the effect ends and Loran taunts the closest enemy champion hit in 300 units range for 1.5 seconds.
E: Heroic Leap (Cooldown: 18/17/16/15/14) Loran jumps to target location in a 500 units radius, increasing his and his allies' move speed for 20/30/40/50/60 and attack speed for 15/20/25/30/35(+10% total AD)% for 4 seconds.
R: Fighting Spirit (Cooldown: 100 sec) Passive: Loran spins his weapon to deal 50/100/150(+20% total AD) physical damage in 300 units around him while dashing with Evasive Stance. Active: Loran gains 15/20/25 bonus resistances, 20/30/40 bonus AD and 10/15/20% lifesteal for up to 5 attacks. Each attack increases bonuses for up to double amount.