The effect is Chain Combo. Whenever you use a skill with a different attribute than the last skill you used, you gain a 5% stacking damage bonus (maximum 30%). This bonus resets if you use a skill with the same attribute as the last skill used.
Given the stated nature of this effect, certain attention is due to builds stored here on PvXwiki which may thrive in the Flux, now and as it changes. Below is an overview of strategies and skills which are affected by the current Flux effect.
- Axe Warriors (Body Blow over Executioner's Strike)
- Hammer Warriors
- Air/Water Hybrids
- Interrupting skill chains or disabling key skills can force players to lose their Chain Combo boost if they wish to remain active in the battle. Long disables in particular make it harder for opponents to build and maintain the boost.