Complex sentence: Ra, his grandfather, arrives and offers to bestow any power on him to repay Horus for his life and Egypt's survival, but all Horus wants is bringing Bek and Zaya back to life.
Split into simpler sentences: Ra, his grandfather, arrives and offers to bestow any power on him to repay Horus for his life and Egypt's survival. All Horus wants is bringing Bek and Zaya back to life.