Cordial

Cordial is a medicine.

Source
Cordial can be crafted, obtained as a quest reward, or purchased from vendors.

Crafting
Cordial can be crafted by master alchemist I as a level 50 ★★★ recipe with the following materials:
 * x1
 * x1
 * x1
 * x1
 * x1
 * x7
 * x5

Quests
Cordial can be obtained as a reward from the following quests:

Vendor
Hi-Ether can be purchased from the following vendors: