[CHAMPION REWORK SUGGESTION] Amumu, the Sad Mummy
http://static.lolskill.net/img/skins/1215/amumu_0.jpg Main focus is on ability mechanics ideas, ability names, image theme ideas. Secondary focus is on numbers, these might be broken, they are more illustrative. Images only to describe what I think might be on icons, certainly not to be taken 100% seriously, I literally made them quickly in MS Paint. If downvoted, please specify what might be improved.
http://i.imgur.com/Xxmzvhm.png Passive: Tantrum Successfully damaging enemies stacks Tantrum for 8 seconds, refreshing upon stacking (1 second cooldown between stacks/procs on damage over time), up to 4 stacks. Reaching 4 stacks of Tantrum consumes it, evolving a shockwave into small area around Amumu. The shockwave deals ** 10 - 40** (+5%MR) true damage to enemies nearby.
http://s21.postimg.org/5upzzzcbn/image.png Q: Bandage Hug 75/85/95/105/115 Mana 12/11/9/9/7 sec Cooldown Unleashes a bandage roll into direction up to long range, colliding with the first enemy hit. Deals 60 - 150 (+40%AP) (+20%MR) magic damage and roots the target for 1 second, tethering them to Amumu. During this time, this ability can be recasted for free to pull Amumu to the target. Next Amumu's basic attack within 2 seconds deals bonus 30 - 80 (+50%AP) physical damage and stuns the target for 1 second.
http://i65.tinypic.com/117xxrn_th.png W: Despair 10 Mana per second 1 sec Cooldown Toggle Off After 1 second delay, Amumu gathers stack of Soaked Bandages each second up to 10 stacks. Amumu gains bonus 10 Magic Resistance per stack of Soaked Bandages up to bonus 100 Magic Resistance.
Toggle On Amumu starts crying a pool of tears into medium range around himself, inflicting 15 - 50 (+5%AP) magic damage per second to enemies within the pool while slowing them by 8% - 15%, draining himself Mana. After 2 seconds of duration, Amumu looses stack of Soaked Bandages until loosing them all.
http://i.imgur.com/YmaLZz7.png E: Soul Damnation 35/40/45/50/55 Mana 15/14/11.5/10.5/8 sec Cooldown Drains the soul of the targeted enemy within medium range, dealing 40 - 200 (+100%MR) plus 5% - 20% of the target's missing health in magic damage. If the enemy dies this way, Amumu is healed for 70% of the damage dealt. If additionally it was enemy champion, Amumu permanently gains bonus 5 Armor.
http://i.imgur.com/hAFuKx5.png R: Curse of the Sad Mummy 100/120/150 Mana 120/110/100 sec Cooldown Amumu unleashes his curse into large area around himself, dealing 100 - 300 (+100%AP) (+150%MR) magic damage to enemies within the area while taunting enemy champions affected for 2 seconds.