My Champion Concept
Visero - The Fraudster
Passive - Fraud: Whenever Visero Kills an enemy unit, he gains a stack of Fraud. Every two stacks gives Visero 1 Ap and 3 Health. The stacks cap at 100 (giving a maximum of 50 passive ap and 150 health.)
Q - Orb of Mystery/Mirror Orb of Mystery: Visero throws out an orb in a line in front of him. If it hits an enemy champion it damages them and the orb follows them for 5 seconds, the ability becomes Mirror. N.B. Only one enemy can have the mark at any one time.
Mirror: Visero can activate his Q again to deal extra damage, slow his enemy and copy what they look like for 10seconds if the enemy is still within the radius of the ability.
W - Steal Passive: Every time Visero kills a unit, he steals a random amount of gold from them (1,2 or 3 gold). Active: Visero steals 10% of a champions attack damage, ability power for 4 seconds and 5% of their movement speed for 3 seconds. The duration increases by 0.5 seconds for each point put into the ability.
E - Scam Visero throws a wad of cash which lands in an area. Enemies inside the area are slowed by 20%. The ability reactivates after 4 seconds, damaging and stunning all enemies inside for 1 second. Fitch can reactivate the ability early (after 1.5 seconds) to control it himself. If a target marked with the orb of mystery is damaged by this ability, the trickster ability activates for free.
R - Grand Theft Visero - steals everything from a target enemy champion, dealing damage to them based on a percentage of their current health plus 0.6 AP. If he kills the target, Visero gains a massive buff equal to 30/40/50% of the enemies attack damage and ability power and gains +50/55/60% attack speed for 5 seconds.
For lore, see the first post below.