Creative Writing: The Storm

I burst through the front door of the quiet country home, shotgun in hand as a monster of a storm let loose with a waterfall effect outside. The house itself looked abandoned, all the lights were out, and a layer of grimy dust covered everything.
A flash of green lightning, immediately followed by a roar of thunder so loud that it shook the windows told me that this was no natural storm, and the fact that it was originating directly above this house told me I was in the right place. From below the floor I could hear a man’s voice shouting. Audible even over the peeling thunder. The question was how could I get downstairs before whatever the guy was summoning arrived?
Pounding through the house I began throwing open doors, passing a bedroom,

The scent of sulfur was replaced by the smell of dry decay and fresh blood. Then a keening wail shot pain through my skull as something burst through the portals mouth, wreathed in an unnatural darkness made worse by the fading rune lights. Gritting my teeth against the sound that threatened to split my eardrums, I pumped a fresh round into the chamber of the shotgun and fired at the nearly invisible creature.
The wailing stopped as the unseen monster took the hit, and for a moment I hoped that it was going to be that easy for once. Then the laughter started, if it could be called laughter, more like a hacking cough filled with mirth. That was seldom a good sign.
“Hello cursed one, still refusing the masters will I see.” Said a smooth refined voice, horribly in contrast with everything I had heard from the thing so far.
The creature took a step forward, shedding the darkness like a cloak, leaving me staring at a humanoid creature with overly large ears, pointed teeth that stuck out of a wrinkled snout, and a fur covered body with leathery skin under its arms. I knew a vampire when I saw one. Summoned from whatever dimension it called home. I was going to have a long night ahead of me to put this sort of monster out of