Pest Control.
Scorpians.
depends if you have good armor, weapon and food you should kill moss or hill giants
Defence training in runescape is leveling up your defence by kill monsters or people. Start of easy with goblins and when u get to a high lvl, kill greater demons.
It goes up whenever you train Attack, Strength, Defence, Prayer, Summoning, Range, Constitution and Magic
the quickest way is probably to get to the elite four and beat them over and over with exp. share on the Pokemon you want to level up
there is not a way
You can't de-level your skills in any way, only level them up. You can however avoid leveling that skill completely by all means.
You can select an attack type that gives you only defense experience. Note that this will give you no attack or strength experience.
play search and destroy
Soak them overnight in water and baking soda.
play halo
There is no command to level up on RuneScape. You have to train your stats through sheer hard work. There is no easy way around levelling up.