Both Richie and Mako are wearing tight leather jackets, but both are suddenly able to produce three-foot long swords from nowhere, which is actually a staple of Immortals. Many times, even though they have full movement, they produce very hard, very long swords from apparently nowhere, just as Mac and Mako did earlier.
When Richie and Mako plunge through the window, the glass breaks in an obviously predetermined pattern.