Does anyone know how the game calculates the XP boost from the Annihilus charm? For example, if you are level 85, the experience charts say you will get 25% of the monster's experience (if it is within 5 levels of your character). Does the Annihilus bump that up to 35%, or does it just add 10% (assuming a perfect XP roll) of the 25%?
In other words, let's say you kill a monster within 5 levels of your character level (85), and, for simple math, it has 1,000 XP to give. Does the Annihilus...
A. add another 10% of the 1,000 XP, and give you 35%, for a total of 350 XP?
B. add another 10% of the 250 XP, for a total of 275 XP?
C. do something else entirely?
Sorry if this has already been answered somewhere else, but I haven't been able to get much info on it.