Trouble is Brewing. Blood & Alchemy is an expansion for Vampire: The Masquerade - Rivals Expandable Card Game that adds two new clans: Tremere & Thin-bloods. The Tremere are masters of Blood Sorcery who draw incredible power from their Blood, while the Thin-bloods must mix a plethora of chemicals with their Blood to extract power from it. You may play these two clans head-to-head or simply integrate them with your Core Set to give you more options for mixing clans and creating new decks! Requires Vampire: The Masquerade - Rivals Expandable Card Game to play. Features: Adds two new clans: Tremere & Thin-bloods. Play these two clans head-to-head or integrate them with your Core Set. Includes a 30 card Crypt Pack to customize your decks! Designed for 2-4 players, ages 14 to play in 30-70 min per game.