Dwarf Cannon engineer

Dwarf Cannon engineer or Nulodion is a dwarf found south of the Ice Mountain by the entrance to Dwarven Mine. He is featured in the Dwarf Cannon quest and he sells Dwarf cannon ranged weapon for 750,000 coins. He can also sell separate cannon parts for 200,000 each, Instruction manual for 1 gp and Cannon ammo mould for 5 gp.