Mythic and Arcane from Crates - Help

[ArcanePlayz]

I have 2 questions on mythics and arcanes from locked crates:

1. Whats the lowest level that you can get arcane or mythic from crates?
2. Does the level affect the rate of getting arcane or mythic?

Please explain. Thanks

[Jcyee]

1. Level 1

2. Nope.