Batman #671, part of "The Resurrection of Ra's al Ghul" storyline, features a climactic battle at Nanda Parbat's Fountain of Life. Batman confronts Ra's al Ghul and the Sensei, where a shocking revelation unveils Sensei as Ra's' father. The issue sees Batman defeat the Sensei, who perishes in the Fountain, while Ra's seemingly dies before possessing a monk. This installment is notable for its significant plot twist and the dramatic events surrounding key characters.