How does item upgrades work?

Q&A:

Q:How many DUPLICATES does it take to upgrade?
Aepends how many times you've upgraded. First = 1
Tortures, Second = 2 Tortures, Tortures, Tortures, Third = 3/4 Depending WHAT it is.
(Ex: Tortures = 4)

Q: How many coins does it takes?
A: Depends on the item, its no more than 50M on the THIRD stage.

Q: What does it do?
A: Boost's your Accuracy and Damage to the neccessary stats. (Ranged Strength/Melee Damage/Mage Damage)/Accuracy