He reached his final summit on October 9, 2024, at Shishapangma (8,027 m) in China, marking the last of the fourteen highest mountains in the world.

Nima's achievement breaks the previous record held by Mingma David Sherpa, who completed all 14 peaks at the age of 30.

His father, Tashi Lakpa Sherpa, became the youngest to summit Mount Everest without supplemental oxygen at 19 and has completed the climb eight times.

Despite the family legacy, Nima recognized the dangers of mountaineering, witnessing around 30 deaths during his expeditions, including the loss of a mentor in an avalanche.

Over two years, he successfully summited several of the world's tallest peaks, including Everest and K2, completing five climbs in under five weeks.