you are missing some important damage multipliers.
((((BWD x Endow MS) + Power Stat) x (Item Quality x WD%) + WD+) x ED% + ED+.
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Endow Mythstone on a Weapon used to give +50% WD% on the Weapon it is placed on, and after Patch 3.1 it increases BWD by +50% instead. Weapons with low BWD don’t really need it, but for high BWD Weapons this is really helpful. Power Stat is added to BWD.
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Item Quality can be raised to +25% using Emerald Crystal. not only does this make it easier to max out affix values, but on Weapons, it multiplies the BWD & Power damage. on the other 4 Items, it increases the AR of the Item.
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Weapon Damage % multiplies the damage of BWD, Power Stat, and Item Quality. Epic is +100% & Legend is +200%
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Weapon Damage + is added after BWD, Power Stat, Item Quality, and Weapon Damage %.
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Elemental Damage % multiplies the damage of BWD, Power Stat, Item Quality, Weapon Damage %, and Weapon Damage +. Epic is +20% & Legend is +100%.
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Elemental Damage + is added after BWD, Power Stat, Item Quality, Weapon Damage %, Weapon Damage +, and Elemental Damage %.
This is your Weapon Damage.
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Weapon Skill damage multiplier. example: Staff has Comet 100% and Meteor 750% Weapon Damage. Comet would be Weapon Damage x 1 and Meteor would be Weapon Damage x 7.5.
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Skill Points in Weapon Skills multiplies the damage of a specific Skill and affixes that increase damage multiply all damage, unless restricted in it’s description, example: Skilled Mythic only affects the Primary Skill of MH, like Comet of Staff, even if you used Discordance Mythic. some affixes require a condition to cause damage, example: chance to cause Crit Dmg, Elemental Crit Dmg only on Elemental Crit, cause extra damage when enemy HP is 25% or lower (Demonic Set…).