Safwan bin 'Isa al-Zhry صفوان بن عيسى الزهري أبو محمد البصري · The Book on Virtues of Jihad

"The Messenger of Allah (ﷺ) said: meaning: Allah Mighty and Sublime is He says: 'The Mujahid in My cause, he has guarantee fro Me. If I I seize him, I cause him to inherit Paradise, and if I return him, I return him with a reward or spoils of war.'" This Hadith is Gharib Sahih from this route.