Hello to the forum,
I contacted the support, they didn't help.

They sent some basics tips that doesn't work at all.

Here is my issue : When i launch the game, it is stuck on a white screen then it crash. 

Check out the crashlog :

time: 1588694425879
msg: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.common.internal.Preconditions" on path: DexPathList[[zip file "/data/app/com.pearlabyss.blackdesertm.gl-O1RFYTc_Y0mFjzyliHtnLg==/base.apk"],nativeLibraryDirectories=[/data/app/com.pearlabyss.blackdesertm.gl-O1RFYTc_Y0mFjzyliHtnLg==/lib/arm64, /data/app/com.pearlabyss.blackdesertm.gl-O1RFYTc_Y0mFjzyliHtnLg==/base.apk!/lib/arm64-v8a, /system/lib64, /system/product/lib64]]
stacktrace: java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/android/gms/common/internal/Preconditions;
at com.google.firebase.provider.FirebaseInitProvider.checkContentProviderAuthority(com.google.firebase:firebase-common@@19.0.0:64)
at com.google.firebase.provider.FirebaseInitProvider.attachInfo(com.google.firebase:firebase-common@@19.0.0:44)
at android.app.ActivityThread.installProvider(ActivityThread.java:6983)
at android.app.ActivityThread.installContentProviders(ActivityThread.java:6528)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:6445)
at com.elderdrivers.riru.edxp._hooker.yahfa.HandleBindAppHooker.hook(HandleBindAppHooker.java:21)
at android.app.ActivityThread.access$1300(ActivityThread.java:219)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1859)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:491)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:915)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.common.internal.Preconditions" on path: DexPathList[[zip file "/data/app/com.pearlabyss.blackdesertm.gl-O1RFYTc_Y0mFjzyliHtnLg==/base.apk"],nativeLibraryDirectories=[/data/app/com.pearlabyss.blackdesertm.gl-O1RFYTc_Y0mFjzyliHtnLg==/lib/arm64, /data/app/com.pearlabyss.blackdesertm.gl-O1RFYTc_Y0mFjzyliHtnLg==/base.apk!/lib/arm64-v8a, /system/lib64, /system/product/lib64]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:196)
at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
... 14 more

Here is my specs :

Redmi Note 7

Havoc OS v 3.4

Rooted device with Magisk and Xposed, both hidden.

I don't know what the hell im suppose to do, maybe dosen't play the game at all, and i'm the only one in that case.. how unfortunate ^^'