The effects of your elixir lasts longer if you activate one immediately after another expires.
Flask of Frost unlock
|Dexterity on Unlock
Flaskmaster is a Rogue ability from the Tempest Specialization in Dragon Age: Inquisition.
Flaskmaster is a passive ability which increases the duration of potion effects when you use one right after the last runs out.
Notes and Tips
Tempest Ability Tree