[Pillar of the Caged God] Scaling

I need some help understanding the scaling of "Pillar of the Caged God Long Quarterstaff".

The description says:
10% increased Weapon Damage per 5 Strength

My specific questions are:
- How do I scale this efficiently?
- Does it scale with "Adds x to x Cold/Fire/Physical damage to attacks" on gloves and rings?
- What is the exact damage formula when using this weapon?

Thanks alot in advance!

PS: I'm new to aRPGs in general so I do not have a lot of basic knowledge.

I scales off flat damage

You scale the weapon off raw stats as it says..


PRetty simple, im using it to level my invoker on hc currently lvl 42 and it facerolls