Why?
He was interfering with the plans of the Sith, so the Sith lord ordered him, and his apprentice, killed and Sent his Apprentice, Darth Maul to accomplish the task. Apparently, Darth Maul was a superior swordsman.
How? Because he was stabbed in the torso by a lightsaber wielded by Darth Maul, an energy blade that evaporated the part the torso it came in contact with.
I love Yoda. You? My favourite is Yoda and Quigon Jin. Is that how you spell it? Quigon? I'm not sure... Yeah, I think you spell it like that, or like Qui Gon. lol my favorite jedi is none beause i belive in the sith order but if i had to pick it would be kreia when she was a jedi.
quigon die quigon die
He Jin died in 189.
Jin Yi died in 218.
Duke Ling of Jin died in -607.
Jin Yunpeng died in 1951.
Zhuozi - Jin - died in -651.
Li Jin died in 750.
Park Jin died in 1597.
Jin Shengtan died in 1661.
Emperor An of Jin died in 419.
Zhuge Jin died in 241.