Vampire powers

Vampire powers and weaknesses are a customizable perk system and gameplay feature for the vampire lifestate in The Sims 4: Vampires.

Vampire Ranks
There are five Vampire Ranks: Vampire Sims will have several options to increase their Vampire Rank. Each Vampire Rank unlocks another row of Powers and Weaknesses to choose from. When vampires reach a new Vampire Rank, they will be required to choose a weakness, or else they will not be allowed to learn any new powers.
 * Rank 1 - Vampire Fledgling
 * Rank 2 - Minor Vampire
 * Rank 3 - Prime Vampire
 * Rank 4 - Master Vampire
 * Rank 5 - Grand Master Vampire
 * Sparring/Fighting/Curing Vampires
 * Researching Vampiric Lore
 * Being mentored by higher ranked Vampires
 * Using vampiric powers
 * Drinking Plasma

Powers
Vampires can choose certain powers as they gain more experience and become stronger. There are a total of 25 powers, divided evenly (5 per each Vampire Rank), with several powers having their own tiers (up to a maximum of 3). Also some powers conflict with certain weaknesses, preventing vampires from picking them.

Weaknesses
At the expense of becoming a more powerful vampire, the vampire must develop a weakness. There are a total of 11 weaknesses, divided unevenly amongst the Vampire Ranks. Some weaknesses have their own tiers (up to a maximum of 3), and some conflict with certain powers, barring vampires from being able to choose them.

Trivia

 * Almost all vampiric abilities can be unlocked for a single Sim (except those that conflict with others), as the Sim will continue gaining Power Points even after they have reached the maximum Vampire Rank.
 * Vampire Powers and Weaknesses can be reconfigured by having the vampire Sim drink a Draught of Reconfiguration (which can be made at Level 14 vampire lore skill), which will reset and refund all of their Power Points and chosen weaknesses.
 * Through the use of cheats, vampires with all powers and no weaknesses can be created.