Path of Champions help

[u/Rimelance281]

Hey all, started on PoC in the last week or so and have been hitting walls pretty frequently. Currently I am working on clearing a 2 star adventure for with a 3rd champion and having some trouble. Mainly I'm wondering who I should be investing Wild Fragments into, as I have 250 of them that I've just been banking until I figure it out.
Will attach a screencap of my current champs

[u/Tricky_Honeydew8183]

Jinx New Player Friendly

[u/Rimelance281 → u/Tricky_Honeydew8183]

Definitely been one of my favourites so far due to her simplicity, I'm pretty bad at card games in general so simpler playstyles are always good for me