This change is being implemented because it's confusing and RuneScape Mobile gold complicated for both new and old players to determine their Combat level. There will be no longer any effect on Combat level from Constitution, Prayer and Summoning levels. They have a distinct and desirable effect, however it's not required to include them in the Combat level calculation.

Encouraging challenging fights. This is one of our biggest areas of improvement in the Evolution of Combat update. In PvE combat, we're changing the balance of all NPCs that play in the game to make them more compatible with players of equivalent level. This means providing NPCs magical and ranged attacks to place them in the triangular combat.

You will find that most of the creatures that appear in the game can only be defeated with basic melee attacks, which means you won't need to use any other weapon. All that will change as we'll encourage you to learn the strengths and weaknesses of each monster (all shown very clearly on the combat side panel, where your stab/slash/crush/special attack buttons used to be) and to learn the best combat method and gear to use against them.

We've decided to eliminate Combat XP for creatures below 30 levels. This is in order to inspire all players to take on these monsters. Drops and Slayer XP will not change. As I said earlier that all NPCs are being rebalanced with cheap OSRS gold this idea in mind.