New Fighter/Tanky champion

Hey everyone this time I tried to make a Fighter/Tanky champion. Normally im very bad with this but I still hope you guys like it and plz gimme feedback!

Marah Defender of Nature.

Role:Fighter Secondary:Tank

Passive: Seed of Life Whenever a nearby enemy dies, they leave a Seed of life behind that Marah can pick up to permanently increase her maximum Health by 10%. This passive has a cooldown of 120s Ability: Buff

Q: Tree of Power Marah plants a tree that grants Lifesteal and Attack Speed to her while she is near it. She can have a maximum of 5 tree's on the map at once. Ability: Ground target Tree Duration: 5 minutes Lifesteal/Attack Speed buff: 5/10/15/20/25% Cooldown: 18/16/14/12/10s Mana Cost: 80/85/90/95/100

W: Wood Slash Marah uses the power of the woods to increase the power of her next 3 basic attacks. Her basic attacks also gain special effects. Her first basic attack slows, her second basic attack roots and her third basic attacks heals Marah for 5% of enemies maximum health. Ability: Buff Slow:5/10/15/20/25% Root Duration :0.5/1/1.5/2/2.5s Basic Attack damage Increase:5/10/15/20/25% Cooldown: 20/18/16/14/12s Mana Cost: 50/60/70/80/90

E: Nettle Shield Marah summons a shield of nettles around herself. The shield protects Marah for upcoming basic attacks from enemies. If Marah gets hit by a melee attack by a enemy with her shield on, that enemy is burned by nettles and take damage over time every 0.5s for 3s. Ability: Shield Shield Duration: 1/1.25/1.5/1.75/2s Damage:10/12/14/16/18 (+ 15% of you ability power) Cooldown 15s Mana Cost: 55/65/75/85/95

R: Force of Nature Marah throws vines out to all enemy champions in an area around her. All enemies hit by the vines are pulled to Marah after 2.0s, taking damage and are stunned. Ability: AOE target. Damage: 350/425/500 (+40% of your ability power) Stun: 1s Mana Cost: 100/100/100 Cooldown: 100/95/90