Veteres Belli Archangeli

After a time ritual gone deadly something was different with the Wizarding Worlds Hero. Severus knew it, the boy was flirting with him for Merlin's sake, but he just couldn't figure out what. With the greatest threat looming over their heads, he was about to get all the answers to that and so much more. M/M mpreg and BAMF!Creature!Harry inside.