He purred softly and nuzzled her to confirm what she said.
In the time that passed her runes were getting better and the Dark Lord himself deemed her ready to grow from a fledgling Lust daemon to start her true training as a Succubus. Which meant less time spent with Idri.
Idri was allowed to go out into the wastes and hunt if he grew hungry, which led to him being away for long periods of time; but coming home meant soaking in lava water and scrubbing his dry scales and grooming. He loved grooming.
He suddenly became very angry. Did she have another male in there? Was she mating with someone else? His claws dug into the black marble before he pushed the doors open roughly and clicked angrily, using a spell she had taught him to get a "view" of the room.
He smelled magic but no other males. He briefly saw something pleasuring her but it wasn't another daemon from what he could tell. He stalked over and rumbled lowly, nostrils flaring as he smelled her.