The 100's Jasper will go on the offensive in "Coup de Grace."

Bellamy Faces 'Awful' Conditions In Mount Weather [PHOTOS], How Will He Survive On 'The 100'?

The normally blasé teen will pull a Finn in the wake on Monty's (Christopher Larkin) disappearance, resorting to haphazard violence in an effort to relocate his BFF. Sword in hand - yes, Jasper's (Devon Bostick) weapon of choice is a saber - the Mount Weather captive will strike a blow at President Wallace.

"Monty has been taken and Jasper is not going to stand for that," executive producer Jason Rothenberg previewed. "Jasper loves Monty - it's his best friend, it's his brother. This is the episode where Jasper has been pushed too far. He does some very, very un-Jasper like things."

Clarke Does Not Want A 'Relationship' On 'The 100', What Does That Mean For Bellamy?

Taking on the might of Mount Weather with just a pre-apocalypse relic may not be Jasper's most inspired idea. The president has few scruples, and taking care of another overly inquisitive Ark member probably won't give him pause.

Find out more when The 100 airs Wednesdays at 9 p.m. ET on The CW. Click the video below to see a preview for the series' next episode.

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The 100, Television, The cw