From Guild Wars 2 Wiki
“Chill your target and remove up to three boons, dealing extra damage based on the number of boons removed.
— In-game description [?]
- Chill of Death - Cast Spinal Shivers on an enemy when they hit 25% health. This effect can trigger only once every 20 seconds.
- Spiteful Talisman - Focus skills recharge 20% faster and have increased range.
- One boon removed deals 50% extra damage, two boons deals 100% extra, and three boons removed will grant an extra 150% damage to the ability.
- A Guild Wars skill bears the same name as this skill.