Champion Idea: Hunter of the dark (Emon)

This Champion (Hunter Of the Dark: Emon) will be a support/mage such as how some people play zyra or vel'koz. The champion idea is a mix of vayne, van helsing and constantine. He hunts down darkness through the use of spells. He will wear a big black hat like van helsing and dark robes. His passive will be Emon's abilities deal additional damage to champions under crowd control effects. His Q when used on an ally will Heal them only when they are under crowd control effects / when used on an enemy champion they will take burning damage over 3 seconds. His W will fire a powder in a cone blinding all enemies it hits (It is not able to hit enemies standing directly behind another). His E will fire a giant net (from a crossbow or something) snaring up to two enemies for a few seconds. His R Will create a circle of green flame dealing a burning damage to all people in it.