If a portion of the offerings be first made of the God of Fire at a Shraddha, O king, Rakshasas of twiceborn origin cannot then do any injury to such a Shraddha.
निवप्ते चाग्निपूर्वं वै निवापे पुरुषर्षभ। न ब्रह्मराक्षसास्तं वै निवापं धर्षयन्त्युत॥