Level 1 - shooting out the Omen Ult provides 2 seconds of paranoia
Level 2 - Allow Omen to use his abilities in Ult shadow form. Shrouded step would change where you appear, can paranoia out of the ult so it's unsafe
Level 3 - Allow Omen to place a fake shadow AND a real TP
Level 4 - Combine Level 1 and 3
Level 5 - Combine Level 1, 2, and 3.