[Warframe Champion] Banshee

I'm turning Warframes into potential champion concepts, based off of their actual abilities and passives in the game (tuned of course), and this is my third one, Banshee.

Passive (Silence is Golden): All item actives and spell casts by banshee are silent for the enemy. Also move 25% faster in brush.

Sonic Boom (Q): Launches a sonic boom in a 40° Cone, dealing 10/25/40/55/70 (+10% AP) magic damage, knocking enemies 200/225/250/275/300 units back. (20/25/30/35/40 Mana) (6/5.5/5/4.5/4 Second Cooldown) (300 Range)

Sonar (W): Notifies Banshee of any enemies within 300/450/600/750/900 units, whether they are stealthed or not. This lasts for 6/8/10/12/14 seconds. (50/60/70/80/90 Mana) (28/26/24/22/20 Second Cooldown)

Silence (E): Banshee creates a zone around her which enemy units are stunned for 1.25/1.375/1.5/1.625/1.75 seconds the first time they enter. Enemies will not be able to hear anything while inside the zone, and neither can Banshee. Enemies are slowed by 30% while in the zone. The zone lasts for 6/7/8/9/10 seconds. (75/85/95/105/115 Mana) (29/26/23/20/17 Second Cooldown) (700 Range)

Sound Quake (R): Banshee creates a sound quake around her, dealing 125/150/175(+100% AD) initial physical damage, knocking enemies down, then 40/55/70(+20% AP) physical damage per second. (15/25/35 Mana/sec) (16/12/8 Second Cooldown) (350/400/450 Range)