Magician %/s (KMS FLY 2 & GMS Dawnveil)

I was working on a mage calculator for my friend and I just wanted to confirm a few things:

Is Elemental Drain +25% Total Damage on DoT affected monsters?

What is Mana Burn? Is it an FA-style attack, additional percentage on skill percent, multiplier?

Burning Magic, Arcane Aim and Hypers are all Total Damage, correct?

The previous page indicates Elemental Amplification and Infinity are both final damage multipliers?

Essentially, none of the Adventurer mages have any %M.ATT skills?

Yes, Elemental Drain is +25% Total Damage if you have it stacked maxed.

Mana Burn should be total damage. I don't have it included though.

I'm under the impression that Elemental Amplification is now a Total Damage modifier since they changed the wording but I can't confirm it myself as I don't have one. Infinity is either final damage or %M.ATT. Can't remember if the test case had any M.ATT stat in it.