Yalahar Raids

Vampire raid in Yalahar
Sometimes blood thirst Vampires arrive to terrify Yalahar and seek victims there.
 * Warnings
 * 1) "Citizens of Yalahar, beware! Harbingers of vampiric blood thirst are appearing in the city. Fight them or take your chance to flee while you still can."
 * 2) "The sky over Yalahar is darkened by many little wings. Whoever isn't ready to fight the greater evil approaching, seek refuge inside the houses."
 * 3) "Vampires have arrived in Yalahar - seeking for humans to feed on and still their blood thirst."

Possibly sometimes there can be Vampire Brides and maybe some vampire boss too