Depends on whether you have antman and wasp for synergies and how well can you play with her, once you practice a lot with ghost, only then you'll realise how essential her sig ability is to keep the flow of the fight. So I'd say if you wanna use the gem on her, get used to her playstyle, it takes some practice but you won't regret it.
I have 5* ghost (unduped) .. not missing anything critical, IMHO ...
Yes it helps .. but it might be worth holding for later:
- practice/practice/practice .. if you become really clean with her, and are using her a lot ... and you're not seeing any other tech options .. then sure .. hit her with it ..
I use my ghost unduped and with her wasp synergy, and she still recks content like no other. The awakened ability helps, but if you're skilled with her, then you don't really need it. I would practice with her and see how you like her, maybe look up a few tutorials on youtube before using the gem
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Yes it helps .. but it might be worth holding for later:
- practice/practice/practice .. if you become really clean with her, and are using her a lot ... and you're not seeing any other tech options .. then sure .. hit her with it ..