The mid-season finale of Teen Wolf is just around the corner and it looks like the Beacon Hills werewolves will be teaming up with one dangerous enemy to take down another.

A new promo for next Monday's "Lunar Eclipse" shows that a lot of lives will be on the line when in comes to taking down the Darach.

With Melissa McCall (Melissa Ponzio), Sheriff Stilinski (Linden Ashby), and Mr. Argent (JR Bourne) lined up at the Nemeton to be the dark Druid's next sacrifices, their children have resorted to extreme measures in order to locate their missing parents.

Armed with a silver bullet, a watch, and a sheriff's badge, Allison (Crystal Reed), Scott (Tyler Posey), and Stiles (Dylan O'Brien) follow Dr. Deaton's (Seth Gilliam) advice and temporarily sacrifice themselves in order to gain the location of the Nemeton. It appears the trio will survive the ordeal, but when they do finally confront the Darach, it appears they will have quite a fight before them.

You can hear the Darach snidely ask who would like to go first in the fight, and later Aiden (Max Carver) and Ethan (Charlie Carver) can be seen being ripped apart out of their werewolf form. Even if they do appear to have Deucalion (Gideon Emery) at least partially on their side, the teens look to be outmatched.

While all this takes place, Derek (Tyler Hoechlin) must struggle with his intense failure as an alpha while Scott attempts to keep his True Alpha form.

"Scott is well on his way to becoming an Alpha," said executive producer Jeff Davis, according to TV Line. "Whether he remains a True Alpha - one who doesn't have to kill or steal the power - and who survives to make up his pack, might be the important questions."

Teen Wolf airs Mondays at 10 p.m. on MTV.

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