Who killed the King in Hunter X Hunter?

Right after Meruem aka King finished his fight against Netero, he ended up getting poisoned and faced death.

One of the saddest death ever : r/HunterXHunter

How does Meruem die ultimately? - Quora

Hunter x Hunter (TV Series 2011–2014) - IMDb

Explaining Hunter x Hunter's Chimera Ant arc is a rite of passage - Polygon

HxH - Komugi And Meruem Death Scene (HD)

Hunter X Hunter, Chapter 380 - Hunter X Hunter Manga Online

10 Most Important Hunter X Hunter Deaths (In Order)

Hunter X Hunter – 396-397 - Lost in Anime

Hunter x Hunter – Volume 34

Top 14 Strongest Characters in Hunter x Hunter

Royal Guards, Hunterpedia

Strongest Hunter X Hunter Characters

How did Meruem and Komugi die in Hunter X Hunter? - Quora