Flameking is a every hard to hit and can drain your prayer "Soulspit" tremendously if your not careful. This boss might be a bit challenging for new players.
Flameking can be found in two places, such as Sponsor Zone, also known as Ownercape or Ownercape Zone (you must be a sponsor) and by using the Boss Teleport System.
Range is the most efficient way of killing Flameking. The best ragnge weapons to use are an Assault Rifle, Armadyl Crossbow, Goldin Ak, or Mingun. Since this boss drain prayer "Soulspit" its recommended to bring White Glass Wings and have your prayer "Soulspit" Level at least 92 or higher.