How to calculate the barrier decomposition equipment and barrier level of World of Warcraft?

The enchantment skill level determines what items you can decompose. ?

Skill 1= level 1-20?

Skill 25 = 20-25?

Skill 50 = 25-30?

Skill 75 = 30-35?

Skills 100 = 35-40?

Skill 125 = 40-45?

Skills 150 = 45-50?

Skill 175 = 50-55?

Skill 200 = 55-60?

Skill 225 = 60-65?

Skill 250 = 65-70?

Then attach the decomposition products of each grade:

Strange dust: 0 1-20 green?

Dust of the soul: 2 1-30 green?

Phantom dust: 3 1-40 green?

Dust of dreams: 4 1-50 green?

Phantom dust: 5 1-60 green?

Mysterious dust: 6 1-70 green?

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(It's easier to break down weapons)?

Secondary demon: 0 1- 10 green?

Powerful demon: 1 1- 15 green?

The essence of secondary stars: 16-20 green?

Powerful Astral Essence: 2 1-25 Green?

Secondary secret essence: 26-30 green dress?

The essence of powerful secret method: 3 1-35 green?

Secondary vanity essence: 36-40 green?

Powerful vanity essence: 4 1-45 green?

Secondary fairy essence: 46-50 green?

Powerful fairy essence: 5 1-60 green?

Secondary plane essence: 6 1-65 green?

Powerful plane essence: 66-70 green?

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(blue is definitely out, green may be out)?

Small sparkling fragments: 0 1-20 blue and green?

Large pieces of weak light fragments: 2 1-25 blue-green

Flash small fragments: 26-30 blue, green and purple?

Big flash fragment: 3 1-35 blue, green and purple?

Small bright fragments: 36-40 blue, green and purple?

Large bright light fragments: 4 1-45 blue, green and purple?

Small magic light: 46-50 blue, green and purple?

Large magic light: 5 1-60 blue, green and purple?

Small prism fragments: 6 1-65 blue, green and purple?

Large prism fragments: 66-70 blue, green and purple?

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Link crystal: 5 1-60 purple?

Void crystal: 6 1-70 purple