40% increased Elemental Damage
Socketed Gems are Supported by Level 20 Elemental Focus
59% increased Elemental Damage
crafted Can have multiple Crafted Mods
crafted Socketed Gems are Supported by Level 1 Blood Magic
crafted 25% increased Damage over Time
crafted 16% increased Fire Damage
crafted 10% increased Cast Speed

If I wanted to change this to attack speed instead is there a way to just remove this mod or when you go to remove the mod with the respective master does it remove all of them?

no well anull might but

This post was edited by southpark247 on Jun 25 2018 12:03am

Only way is with a pure luck annulment.

You would have to re-multimod it.