you have no concern with those who divided their religion and became several groups their case is only with allah – he will then inform them of what they used to do.
إن الذين فرقوا دينهم وكانوا شيعا لست منهم في شيء إنما أمرهم إلى الله ثم ينبئهم بما كانوا يفعلون