[Champion Rework] Amumu, the Sad Mummy

P: Despair Range: 300

Passively, every 9/6/3 seconds, Amumu cries out dealing 15 - 65 + (0.50 AP) magic damage in an AOE. The damage is further increased by 40/50/60% of the pre-mitigation damage Amumu took before the skill activates. The current bonus damage is displayed as a buff to Amumu, and the bonus damage resets, every time this skill procs.

EX: If a level 1 Amumu, with no AP, took 300 damage, during the 9 second charge up of Despair, he would deal 135 magic damage in an AOE, once it procs.

Q: Bandage Toss Range: 1100 CD: 16/14/12/10/8 Mana Cost: 80/90/100/110/120

Actively, Amumu throws a bandage out in a line, dealing 80/130/180/230/280 + (0.70 AP) magic damage, and stunning the unit struck, for one second. Amumu is pulled to the struck unit's location.

W: Cursed Touch CD: 20/18/16/14/12 Mana Cost: 80

Passively, Amumu's auto-attacks Curse enemies, for three seconds, making them take 4/6/8/10/12% bonus true damage from all of the pre-mitigation magic damage they take.

Actively, Amumu surrounds himself with dark energy, for the next 2/2/3/3/4. While in this state, he Curses all enemies who damage him, for three seconds. Amumu also gains 20% movement speed for the duration and 10% physical damage reduction.

E: Tantrum Range: 350 CD: 10/9/8/7/6 Mana Cost: 35

Passively, the CD of this ability is reduced by 0.5 seconds for each auto-attack that hits Amumu, increased to a 1 second CD reduction, if Cursed Touch is active.

Actively, Amumu targets a 30 degree cone in front of him, dealing 70/90/110/130/150 + (0.70 AP), and knocks back small monsters and minions. Champions, as well as large and epic monsters are slowed by 20/25/30/35/40%.

R: Curse of the Sad Mummy Range: 550 CD: 150/130/110 Mana Cost: 100/150/200

Actively, Amumu deals 120/220/320 + (0.90 AP) magic damage, in an AOE. All enemy units struck are Entangled for 1.5/2/2.5 seconds.

Thoughts?