Poan, Heir of the Plague Jungles!

http://leagueoflegends.wikia.com/wiki/Plague_Jungles (The Plague Jungles is an area inside of Runeterra, and Poan is a citizen)

Powers/Lore: As a man who loved nature, Poan would always spend his time in nature. However, when the Plague Jungles were affected by the chaotic magical storm, he was on a camping trip. And being affected by the storm, he had gained powers of nature.

Forest's Seals (Passive): Gain +1/2/3/4 Attack Damage and Ability Power for every 10 Armor/Magic Resist you have (respectively). (Levels 1/6/11/16)

Splinter (Q): Summon a splinter at an area, dealing 30/45/60/75/90 (+25% AD) (+25% AP) (25/30/35/40/45 Mana) (3/2.5/2/1.5/1 Second Cooldown) (Cast Range: 600 / Radius: 150)

Jungle's Blessing (W): Heal yourself by 30/55/80/105/130 (+20% AD) (+20% AP) and increase your Attack Speed by +10/15/20/25/30% for 3.5 seconds. (40/50/60/70/80 Mana) (19/17/15/13/11 Second Cooldown) (Range: Self)

Bleed Out (E): For the next 8 seconds, basic attacks deal 10/15/20/25/30 (+15% AD) (+10% AP) bonus damage and reduce all healing/regeneration by 15/30/45/60/75% for 1.25 seconds. (30 Mana) (23/21/19/17/15 Second Cooldown) (Range: Self)

Magic Walk (R): Dash in a direction, dealing 30/60/90 (+25% AD) (+25% AP) damage and slows enemies by 15/35/55% for 1.75 seconds. (20/40/60 Mana) (10/8/6 Seconds) (Range: 200/325/450)