Talking the Monster to Death - Television Tropes & Idioms

The hero has cornered the vicious monster. It's taken out everyone who has confronted it thus far, and the hero seems like no exception. That's when the hero, rather than drawing a sword, pulls out his cue cards. He begins a speech about the good things in life, the wonders of good, how Humans Are Special and the monster should respect that, yadda yadda, could someone hit the mute button please? And it works. This hideous monster surrenders, lets itself die, chooses to Ascend to a Higher Plane of Existence, disappears in a Puff of Logic, or what-have-you.