Psion is a melee, ganker and nuker that can do Psionic Storm, Decay, Psionic Bully, and Hidden Armor.
Psionic Storm (Q) – Creates a terrible black hole storm, granting bonus physical damage to Psion’s next 5 attacks for 13 seconds. These enhanced attacks can also damage enemies in a straight line within 600 range. Mana cost: 75 / Cooldown: 13 seconds / Bonus Damage: 40/50/60/70.
Decay (W) – Hurls a ball of insects at a target enemy unit, dealing physical damage and reducing its armor. The ball also converts a part of the target’s energy for Psion, granting bonus movement speed for 7 seconds. Mana cost: 90 / Cooldown: 14 seconds / Cast range: 800 / Damage: 105/155/205/255 / Armor Reduction: 6/12/18/24/ Bonus Movement Speed: 30%.
Psionic Bully – Deals bonus pure damage whenever Psion attacks ann enemy hero who has no other enemy heroes within a 650 radius. (Bonus Pure Damage: 50/60/70/80
Hidden Armor – Psion fades into the shadows, becoming invisible. When Psion attacks, casts abilities, or uses gear (except Life Potion or Mana Pill), he bcomes visible. Fade Delay: 2.5/2/1.5 seconds.