From this guide you will learn how to level any character to 90 in 3 hour
Items/Passive trees below the video

General information

Craft ' Used when reach full' enchant on Granite/Jade/Diamond flasks

Required items :

Amulet enchant : Clever Thief
(Clear/Verdant/Indigo)

Gem-Item progression/Passive Tree for all classes

Gem-Item progression