It's fairly obvious, early in the fight, that he's going to win; he's clearly a fair bit stronger than his opponent, and she's not fighting with anywhere near her full capabilities or intelligence, simply fighting more like a marilith might, than the wicked goddess he's faced.<br/><br/>The drone reports that the sound seems to be emanating from not just the walls, but the very air itself, as if the entire room were laughing. It's a subtle sound, barely noticeable, but undoubtedly present.<br/><br/>Their battle rages for a good six or seven minutes, before it's clear he's gained the upper hand, and can likely push the battle to its conclusion.