There are number of heroic things that Arjuna do in Mahabharata. The list is long and beyond the scope. Better you read the Mahabharata. Rather study the Mahabharata.
Arjuna is a hero in the Hindu epic, Mahabharata.
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devdutta
The grandson of Arjuna was Parikshit - the son of Abhimanyu.
Draupadi and subhadra
Arjuna acquired the powerful vijaya bow in the Mahabharata epic by receiving it as a gift from the god Agni, after performing a difficult task for him.
Arjuna heard it.
Chitrasen :)
The epic story of Arjuna was called The Mahabharata. I recommend the version by Krishna Dharma.
Arjuna
Arjuna had four sons 1)Abhimanyu 2)Strutakriti 3)Iravan 4)Bhabruvahna
Subhadra is a key character in the Mahabharata epic as the sister of Lord Krishna and wife of Arjuna. She plays a significant role in the story by being a supportive and loving wife to Arjuna, and by giving birth to their son, Abhimanyu, who becomes a heroic warrior in the Kurukshetra war. Subhadra's presence adds depth to the narrative and highlights themes of love, family, and duty in the epic.