Been farming to get my melee items all Mythic boosted and a little confusing with all of the recent changes.

Obviously any item that drops with Mythic boost and you leave it alone is fine, but this whole ToF to make items Mythic boosted I'm not 100% on.

1. I have a Mythic boosted Black Razor that I am planning to craft into a Soul Razor. If I do this, am I going to lose the Mythic boost? If so, is this what they have done and what they want you to spend some Ridiculous amount of ToF to get back!?

2. If this is true, does it effect Any Mythic boosted items that go through any kind of a change? (ie, crafting/ level etc)

3. Can Any item be Mythic boosted with ToF? (ie, Cannith crafted, regular items etc)

Just want to make sure I'm getting this so I can continue to recognize the limitations of what I will and will Not do playing this game lol