Sounds like a bad Hollywood movie, but badass indeed
From BBC: "Pun could never know how many enemies were attempting to overcome his position, but he sought them out from all angles despite the danger, consistently moving towards them to reach the best position of attack".
They made the mistake of attacking a Gurkha and he went on a rampage, firing 400 rounds, 17 grenades and manually detonated a claymore at them, just to proceed to start beating them to death with his tripod when running out of ammo. Lucky for them he didn't get angry and drew his Kukri
Codex : Gurkhas