The two tribes on Survivor: Cagayan will merge together as one in the next episode of the show, and one cast member might have all the power.

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The promo for the next episode of Survivor: Cagayan reveals that the merge will take place, with the six Aparri tribe members and the five Solana tribe members coming together as the game becomes individual. Sarah Lacina will find herself in a position of power as she straddles the line between the two former tribes.

Sarah says in the promo that she could either go with her tribe or she could flip and align with her original Brawn tribemates. She notes that she has the power to "decide the fate" of the game going forward.

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Host Jeff Probst spoke with Entertainment Weekly after Wednesday night's episode, revealing that the merge episode will be an unpredictable one all around.

"The merge episode is fantastic," he revealed. "Huge moments. The immunity challenge will have you on the edge of your seat. Tribal.... good luck figuring out who is going home. The game is that unpredictable. This season is going to continue to be a fun ride."

While it is difficult to gauge who could be the next target for elimination, it seems that Tony Vlachos and Jeremiah Wood have made themselves known as the biggest threats on their respective tribes. It's also possible that if Sarah is so undecided about which side she wants to join that she could be blindsided by both former tribes.

Survivor: Cagayan airs Wednesdays at 8 p.m. on CBS.

Watch the promo for the next episode of Survivor: Cagayan below:

Tags: survivor Reality TV CBS