Mielke, James (9 de mayo de 2006). «Previews: Heavenly Sword». 1UP.com. Archivado desde el original el 27 de septiembre de 2007. Consultado el 19 de diciembre de 2007. «Some points in key battles (usually with bosses) integrate QTE (quick-time events), which fans of Shenmue and Indigo Prophecy might like, but which we've been doing since Dragon's Lair and Space Ace. Time to move on, gents.»
Mielke, James (9 de mayo de 2006). «Previews: Heavenly Sword». 1UP.com. Archivado desde el original el 27 de septiembre de 2007. Consultado el 19 de diciembre de 2007. «Some points in key battles (usually with bosses) integrate QTE (quick-time events), which fans of Shenmue and Indigo Prophecy might like, but which we've been doing since Dragon's Lair and Space Ace. Time to move on, gents.»