Arthur and Maeve sagical mex opera telenovela style: 

Maeve: Arthur... you been such a... sweet boy... i need, more than your cock right now. i need it enhanced

Arthur: groans miss... i cant, im too tired... the moment i exploded all over your big witch BLACK HOLE, my balls churned like never before... they are tight

Maeve: no... im not done yet here nymph... 

she licked her lips as her magic swirled around her tiddies and hands and before arthur could comprehend what was going on, MAEVE SAPPED HIM WITH HER MAGIC, making his cock throb like it wa about to explode... almost like a worm

Arthur: ACFNNQCJHAHAVZGAA AHHGGH AFGHH AGHHH AGHH ACSHQGAGGAJS AHHH AHHHHHHH AHHHHHHHHHHHHHHHH

his otherworldly cock bursted up, strong and mightier, balls churning as Maeve squeezed her teddies at the sight of his cock growing like never before, tall as a wooden log standing tall over the bed

Maeve: YES, TAKE IT ALL, MM-MMM~ THATS IT~ GROW IT 

Arthur convulsed in bed, his balls were growing as well as they hanged like latge marble sacks on the bed, the tip of his dick squeezing around the pulled foreskin as she cried in pleasure but... it was gonna cum at a cost

Arthur: M-maeve STOP THE MAGIC, IM GONNA... IM GONNA

AMBATUKAAAAAAMMMMM ASGRHAH AHAHHH AHH

Maeve: O-oh dear! D-DARLING-

AHHHHHHH

Arthur cumes across the bedroom like a geyser, bursting in strong cumshots as it stained Maeves bedroom from top to bottom, also engulfing her the process as its stacked in musky crusty cum... and therefore Maeve never used magic again to enhance sex. The end