A major boss can be found here: The Sea Lord. He'll be in the center of the boat wilderness and will appear as a giant man made entirely from water. I will add some more later, I'm getting somewhat tired.
This quest would happen in the quaint city of Lumbridge.As you may understand,from the basement of someone's house,is a dungeon that homes a 3-headed dragon!Sir Vant really needs help to defeat that Dragon so you've come back to lend a helping hand to someone who helped you if you started your experience in Runescape.
White Knight reinforcements have not came and Sir Vant doesn't have a lot of time before the 3-headed Dragon reawakens.This rare dragon has only 1 head still alive and Sir Vant is too weak and tired to continue to fight it.You must venture into the depths of the dungeon to conquer this diminished Dragon once and for all to rescue Lumbridge from doom.
You must have finished Dragon Slayer to obtain an anti-dragonfire shield.Meet using Sir Vant to start the quest.He will give you an armour that has not been proven successful against dragon fire,anti-dragonfire armour!You have been tasked to check the armor and conquer the mighty dragon at the process.Wield your cool,new armour!
Check out https://www.rsgoldfast.com/ for more details.