From Guild Wars 2 Wiki
Your next attack turns your foe to stone.
- Basilisk Venom (30 s): Turns foes to stone.
- Stone Duration: 1 ½ s
- Venom Duration: 30 s
— In-game description [?]
- Is affected by the Thief trait Residual Venom, but the Stone duration does not stack.
- The venom is still used if an attack is blocked, evaded, obstructed, negated by Blind, or if the target has Invulnerability or Defiance.