Flask of Fortification

Flask of Fortification is a consumable that increases the player's maximum health by 500 and defense rating by 10 for 120 minutes.

Source
Flask of Fortification is created by Alchemists with a skill level higher than 300.

The components are: The recipe is discovered while making other potions. When you make potions you have a small chance of learning new flask recipes.
 * 7 Ancient Lichen
 * 3 Mana Thistle
 * 1 Fel Lotus
 * 1 Imbued Vial

Uses
Provides players with extra health and defense. Likely suitable for tanks.