The Vampire Fledgling is a 2nd-level spellcaster, Its spellcasting ability is Charisma (spell save DC 13, +5 to hit with spell attacks). The vampire has the following Sorcerer spells prepared:
Offhand Attack. The vampires claws count as having light and finesse properties, it can make an off hand (+3) second attack when it attacks with its action. Steel Shortsword. Melee Weapon Attack. +5 to hit, reach 5 ft, one target. Hit:(1d6+4) piercing damage. Claws. Melee Weapon Attack: +5 to hit, reach 5 ft, one target. Hit: (1d4+4) slashing damage.
Vampires Bite. As a bonus action, any living creature within 5 feet that is grappled by the vampire, incapacitated, or restrained, takes (1d4) piercing damage plus (1d6) necrotic damage. The target’s hit point maximum is reduced by an amount equal to the necrotic damage taken, and the vampire regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0. Targets hit with this attack must also succeed on a Constitution saving throw (DC 13) or contract Sanguinare Vampiris.