Shadowveil

This item will increase your Hero's max Health by 100. Shadowveil is also has a unique active that, once used, will cloak your Hero for 8+0.8*Quality seconds. While cloaked enemies must be within 700 units to see you. This item is great for slipping out of a lane undetected and ganking another lane.

Bonuses Given from Enchanting
Common: Increases your Hero's Movement Speed by 0+10*Quality %. Legendary: Surprising. Increases Attack Damage by 7+14*Quality % when attacking from cloak.