Week 16 of The Challenge: Vets & New Threats delivered the season's most chaotic deliberation yet.Aviv Melmed and Will Gagnon were eliminated after losing a puzzle challenge following a dramatic partner swap and coin toss. The MTV competition pairs veterans with rookies as they battle through physical and mental tests for prize money. This week saw multiple storylines collide: the "downstairs" alliance targeting threats, the crumbling showmance between Nany González and Will, and the ever-present possibility of partner swaps.Yeremi Hykel triggered chaos by staking a claim on Olivia Kaiser, successfully swapping partners and leaving Aviv paired with Will. The deliberation exploded when Will discovered Nany had made a secret deal with Theo Campbell, swearing on her late mother's life not to vote against him.The betrayal enraged Will, who voted for Nany and Justin Hinsley in return. The vote deadlocked at 2-2. A coin flip determined that Aviv and Will would face elimination. Their first test as a newly formed team proved fatal when they couldn't complete the puzzle in time.What happened in this episode of The Challenge?This week's task sent pairs into a dark cave. The Challenge contestants memorized numbers using only a match light for visibility. Sydney Segal and Turbo Çamkıran outsmarted the challenge, claiming a crucial victory. Michaela Bradshaw injured her ankle again during the competition. She and partner Cedric Hodges finished last, automatically landing in elimination. The physical toll of the season continues mounting as injuries affect performance and strategy.The house united around one plan: eliminate Aviv and Yeremi as major threats. Nany warned Aviv about the vote beforehand, honoring their friendship. That tip gave Yeremi the opening to shake things up. He staked a claim on Olivia despite protests from all sides. The challenge succeeded, forcing a partner swap. Aviv suddenly found herself paired with Will. Yeremi moved forward with Olivia. The move shattered the predictable voting pattern everyone expected. View this post on Instagram Instagram PostWill asked Nany directly if she planned to vote him in. Her hesitation revealed everything. She had made an off-camera agreement with Theo, swearing on her deceased mother's life that they wouldn't target each other. The revelation infuriated Will. He and Aviv immediately voted for Nany and Justin. They returned the favor. The deliberation ended in a 2-2 tie. The protocol demanded a coin toss to break the deadlock. Luck sided against Aviv and Will. They headed into elimination as a brand-new partnership. Any romantic future between Nany and Will died in that moment.Aviv and Will faced their first test together under elimination pressure. The puzzle challenge required coordination and communication. They had neither. The newly formed team couldn't sync their approach. Time expired before they solved it. Their elimination shrinks the remaining field to ten competitors. The final looms closer as alliances fracture and personal relationships combust.What’s next for the remaining players? View this post on Instagram Instagram PostTen The Challenge contestants remain in contention: Adrienne Naylor, Cedric Hodges, Justin Hinsley, Michaela Bradshaw, Nany González, Olivia Kaiser, Sydney Segal, Theo Campbell, Turbo Çamkıran, and Yeremi Hykel. Trust has evaporated after this week's betrayals.Partner swaps remain possible, keeping everyone on edge. The downstairs alliance faces questions about loyalty. Nany's deal-making burned bridges. Injuries continue threatening strong competitors. The path to the final grows more unpredictable with each elimination.The Challenge: Vets & New Threats airs Wednesdays at 8 p.m. ET/PT on MTV.