From Guild Wars 2 Wiki
— In-game description [?]
- Fast-Acting Elixirs - Reduces recharge on elixir skills.
- Potent Elixirs - Increases elixir durations.
- Elite Supplies - Supply Crate has extra supplies; Elixir X lasts longer; and Mortar skills have increased range, reduced recharge, and bonus damage.
- Whirlpool duration is 15 seconds and Withering Plague duration is 20 seconds.
- Using the trait Elite Supplies or Potent Elixirs increases Tornado and Whirlpool duration to 18 seconds, and increases Rampage and Plague duration to 25 seconds. Using Elite Supplies and Potent Elixirs in conjunction does not increase the time further.
- This skill's recharge time is affected by Fast Acting Elixirs.