महाबाहो mighty armed, रणे in war, वानराणाम् Vanaras, राक्षसानां च Rakshasas also, तव च you too, अयम् this, विनाशः destruction, दैवयोगात् with the divine grace, उपागतः has come

"O mighty armed Ravana! For Vanaras, Rakshasas and you too, this destruction in this war has come by divine grace."