For the last 10 days of Ramadan – 3rd Ashra Dua – 1

اَللَّهُمَّ أَجِرْنِي مِنَ النَّارِ

Allahumma Ajirni minan naar

O Allah, save me from the fire (Jahannam).

NOTE: There is no reference in Hadith for this Dua.