You can kill opponents before the fight even starts.
The idea of this build is to generate as much Mana as possible at combat start to kill your opponents.
Manathirst does damage every 30 Mana you gain. This will amplified by Vampirism.
You want to play several Manathirsts to activate several times.
Acorn Collar is important to crit.
There are plenty ways of generating Mana.
Manapotions, Prismatic Orbs at the beginning of the fights.
You'll activiate Mana Orbs at the beginning of the fight aswell to use Mana that Manathirsts activates.
Amulet of Energy can be very important here to get Mana back to do even more damage.
You need 15 Luck aswell to trigger Mega Clover.
Hard to pull off but the most flashy build in this game.