Gravinet - make it more like a molly, as in there's a two-three second period before it pops and any player still in it gets detained
Barrier Mesh - honestly the only usable thing in her kit, maybe a 10% buff to barrier health or length so it can block some of the bigger chokepoints on the map
Sound Sensor - either completely remove it and rework like they did for Yoru, or give them 3 sensors/ability to take them back like KJ bots (having the concuss pop faster may be good too)
Ultimate - leave it as it is I guess... if you really want to buff it add some extra radius or smth
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