Sanguine Elder

School: transmutation [blood]
Level: sanguine sorcerer 5
Casting Time: 1 swift action
Components: V, S
Range: personal
Target: self
Duration: 1 round/level
Saving Throw: none
Spell Resistance: no
Description: You become affected by Sanguine Aegis and Sanguine Vitality. Additionally, you gain a stack of Bloodlust.
Note: You can possess no more than [x] stacks of Bloodlust at any given time.
[x] is equal to your caster level divided by two (rounded down)

Sanguine Aegis
Whenever a being (excluding yourself) takes damage from a bleed effect that you had inflicted upon them, you gain a stack of Bloodlust.
Whenever a being that is adjacent to you is struck by an attack/spell/etc. that deals hitpoint damage, you can spend an immediate action in order to envelop them within a cocoon of blood, in which case the amount of damage that is dealt by that attack/spell/etc. is reduced by [a]% (rounded up).
[a] is equal to twelve plus the number of stacks of Bloodlust that you possess
Special: [a] is tripled if the originator of that attack/spell/etc. is bleeding.

Sanguine Vitality
Whenever you sacrifice hitpoints via Blood Magic or Crimson Concentration, you gain a stack of Bloodlust.
You gain healing amplification 50%.
Note: This healing amplification is increased by 5% for each stack of Bloodlust that you possess.