There's a trailer for it showing plenty of action and horror and swordplay. The first two seasons of Netflix's Castlevania had some great anime-style fight scenes and it doesn't look that's about to change.
According to the plot summary, "Belmont and Sypha settle into a village with sinister secrets, Alucard mentors a pair of admirers, and Isaac embarks on a quest to locate Hector." Hopefully this third season finds a bit more time for the heroes, who spent most of the previous season hanging out in a library while the villains spent months scheming and betraying each other and carrying out their plots.