Swain's E and Deathfire Grasp Question
in Wiki the ability detail of swain's E says as following :
Additional Information:
Torment's damage amplifier stacks multiplicatively with Deathfire Grasp Deathfire Grasp for a total amplifier of 29.6 / 33.2 / 36.8 / 40.4 / 44% for the target's incoming magic damage only.
Swain's E : EXTRA DAMAGE: 8 / 11 / 14 / 17 / 20% Deathfire Grasp: Amplifies all magic damage that champion takes by 20% for 4 seconds.
I am just looking at the level 5 of the Swain's E so even if it is additively it is only 20%+20% = 40% but how come it says 44% when it is only multiplicatively??
