Patch reference

Active: Rite of Rumusque. The wearer enters ghost form for 4 seconds, becoming immune to physical damage, but is unable to attack and 30% more vulnerable to magic damage. Steals 5% movement speed from enemy heroes in a 900 radius every second. Movement speed steal lasts 1.5s. Bonuses stack and have duration refreshed on gaining new stacks. No Mana Cost. Cooldown: 20s