Annie, a fucking psycho path with this build

Sapphire Crystal
200 Mana.
Item Costs: 400
LoL item Health Potion Health Potion
Click: Restores 200 Health over 20 seconds.
Item Costs: 35
LoL item Health Potion Health Potion
Click: Restores 200 Health over 20 seconds.
Item Costs: 35
LoL item Catalyst the Protector Catalyst the Protector
290 Health, 325 Mana. Passive: Restores 300 Health and 250 Mana upon leveling up.
Item Costs: 1325
LoL item Sorcerer's Shoes Sorcerer's Shoes
20 Magic Penetration. UNIQUE Passive: Enhanced Movement 2
Item Costs: 1100
LoL item Mejai's Soulstealer Mejai's Soulstealer
20 Ability Power. UNIQUE Passive: Your champion gains 8 ability power per stack, receiving 2 stacks for a kill or 1 stack for an assist. This effect can stack 20 times; you lose a third of your stacks if you die. At 20 stacks, your champion's cooldowns are reduced by 15%.
Item Costs: 1235
LoL item Rod of Ages Rod of Ages
80 Ability Power, 650 Health, 725 Mana. Passive: Your Champion gains 18 Health, 20 Mana, and 2 Ability Power every 1 min. Bonuses cap at +270 Health, +300 Mana and +30 Ability Power.
Item Costs: 3035
LoL item Rylai's Crystal Scepter Rylai's Crystal Scepter
80 Ability Power, 500 Health. Passive: Dealing spell damage slows the target's movement speed by 35% for 2 seconds (15% for multi-target spells).
Item Costs: 3105
LoL item Void Staff Void Staff
70 Ability Power. UNIQUE Passive: Spells penetrate 40% of the defender's magic resist.
Item Costs: 2295
LoL item Zhonya's Ring Zhonya's Ring
120 Ability Power. UNIQUE Passive: Increases Ability Power by 25% UNIQUE Active: Places your champion into Stasis for 2 seconds, rendering you invulnerable and untargetable but unable to take any actions. 90 sec cooldown.
Item Costs: 3580

speced 9/0/21