Mass Effect, Gears of War, Alan Wake, Halo!
Diverse list there, eh?
Super Mario Galaxy 2 (Final Boss) along with FF13 (many epic moments). Oh, and Bowser's Inside Story for its epic final boss.
Kimi wa ne tashika ni ano toki watashi no soba ni ita
Itsudatte itsudatte itsudatte
Sugu yoko de waratteita
Nakushitemo torimodosu kimi wo
I will never leave you