Glitchy interactions(W/E):
!Quest:Damage enemy heroes with Thermoptic Phase.
!Reward:After damaging heroes 30 times, all enemies that are hit by Thermoptic Phase while teleporting with Translocator, recieve an additional 78 damage over 2 seconds.
!Reward:After damaging heroes 60 times, casting Translocator resets the cooldown of Thermoptic Phase.
Opportunist(Trait):Increase the duration of Hack's 'turn basic attacks into spell damage' effect from 2 seconds to 6 seconds.
!Quest:Basic attack revealed enemy heroes
!Reward:After landing 50 basic attacks, reduce the cooldown of Knowledge is Power by 10 seconds.
!Reward:After landing 100 basic attacks, increase the number of bullets shot per basic attack from 5 to 6.
11100101110001(Q):
!Quest:Hack 30 enemy minions
!Reward:After hacking 30 minions, Increase the Armor and damage bonus given to hacked minions by 50%.
!Quest:Hack 5 enemy structures
!Reward:After hacking 5 structures, Increase the duration of the structure disable to 4.5 seconds
!Quest:Hack 15 enemy heroes.
!Reward:After Hacking 15 heroes, Hack now also reduces the armor of an enemy hero by 15 for 2 seconds.
!Special Reward:After completing all 3 quests, reduce Hack's cooldown by 2.5 seconds.
PS: Also demonic circle isn't exactly like tyrael's thing cause it is infinite and it is also a talent( which makes it more acceptable). If you compare your version to tyrael's Q its practically identical apart from statistics and it is aso a basic ability which makes it feel like a copeout.