Simplify the following text for a Grade 6 native English-speaking person.
Original: During Sasuke 's later fight with Itachi , Sasuke is left too weak to continue suppressing Orochimaru 's spirit , allowing Orochimaru to escape and try to take his body again .
Simplified: Sasuke attacked Orochimaru when he was close to death , but Sasuke could n't kill him and absorbed him in his body instead .