PASSIVE - Every 1s you gain a stack of Demise, causing your next damaging ability to deal an additional 2% of your Magical Power in damage and remove all stacks. This effect stacks up to 20 times.
Book of Thoth
PASSIVE - You permanently gain 10 Mana per Stack, and receive 5 Stacks for a god kill and 1 Stack for a minion kill (max. 75 Stacks). 6% of your Mana from items is converted to Magical Power. At 75 stacks this item Evolves, gaining 3% extra Mana to Power conversion.
Shoes of Focus
Evolved Warlock's Staff
PASSIVE - Your abilities deal an additional 2% of the target's maximum Health as Magical Damage. If the target has over 2000 Health, your ability bonus damage scales up. This effect reaches a maximum of 9% Maximum Health damage at 2750 Health. Subsequent hits on the same target do half the bonus damage for the next 3s.
PASSIVE - You gain additional Magical Power and Lifesteal scaled from missing Health. This caps at 100 power and 20% Lifesteal at 25% Health.