Ramayana
ततस्तेन दशग्रीवो यक्षेन्द्रेण महात्मना । गदयाभिहतो मूर्ध्नि न च स्थानात्प्रकम्पितः ॥ 7-15-29 ॥
Then by that great-souled lord of the Yakshas, Dashagriva was struck upon the head with the mace, yet he was not shaken from his place.
english translation