For non-rooted phone install shizuka can find at google play Lspatch from GitHub.
First download all and the module apk.
Follow the step by step to run shizuka.
Create a folder named Lspatch move the module and installed it.
Open lspatch click the + sign.
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Click manage to show this and click integrated and add the original GFL2 then click module add the mod apk then start patching and done
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And normal attack don't apply mod just the skills. I hope this helps