An old gameplay trailer
There's newer version that adds a lot of featurs not shown here, including:
"Delayed Strike" if you perform special attack with sword+sheath
Special Attacks for all weapons, not only the sword

Get Demonsteele mod here

http://trueskelator.bandcamp.com/ – Music generously provided by Skelator. Thanks for letting me use it! Designed as a love letter to retro games, 80s/90s anime, and early heavy metal, DemonSteele is a complete and total gameplay overhaul for GZDoom/Zandronum that dramatically changes the flow of the game to an extremely fast-paced hack-and-slash brawler.