Hunt Giant Spiders and Brimstone Bugs on the upper floors. Stick to fighting 2 or 3 at a time. Do not go down to the lowest floors yet, as the density is lethal for level 74. Killer Caimans
You need to use Fire Bombs (cheap on market). Stand on the fire bomb to prevent melee hits from all sides. Lure scarabs into the fire, then spam Exori and Exori Hur. tibia 74 knight leveling guide hot