If you're feeling like one of the bosses causes problems but you're not going to use up all your energy fighting him, simply apply the Ultimate Force powerup. If you are not sure, avoid making use of it because it doesn't provide you with experience in exchange for killing. To get the most experience and points possible player will need to kill the most bosses they can.
There are additional bosses such as Count Draynor, King Roald, Khazard War Lord, Tree Spirit, Moss Giant, Black Knight Titan, Ice Troll King, Black Demon,Witch s experiment, Giant Roc, Treus Dayth, Nazastarool, Hellhound, Kendal, Ancient Skeleton and many more deadly foes.
Your list of items should consist of four to eight prayer potions 4 overloads, a weapon with a special attack and locator orb or rock cake. The remainder of the inventory slots should be filled with absorption potions. After entering the dream player should drink overdose and take the other hitpoints to 1 using wither locator orb or rock cake. This makes bosses hit only one which can be shielded for longer time because of potions that absorb. To equip the item, have the highest output of damage that you own (Dharok will do the trick).
There are numerous efficient gear items that could help you in battle : Berserker Ring, Seers Ring, Archers Ring, Abyssal Whip, Salve Amulet, Warrior Rings, Void Knight Set, Ardougne Cloak, Anti Fire Shield, Proselyte Armour, God Book, Granite Maul, Amulet of Fury and others. Make sure to bring potions such as super magic super-ranging, super melee.
If you've come to the nightmare zone in order to increase your experience in afk training, this section is perfect for you. In the beginning, just go to one of the corners of the dream to ensure that the bosses will not be able to touch you (remember you need melee only bosses to be able to do it).
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