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.
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
And normal attack don't apply mod just the skills. I hope this helps