Substitute vs Entry Hazards?

Question

Picture this:

- Tapu Lele used Substitute!
- Tapu Lele put in a substitute!

- Mamoswine used Stealth Rock!

What happens now? Do Rocks fail, do they appear normally, or does something else happen?

Answer 1

Some status moves, including entry hazard moves, ignore substitutes.
source

Comments

Wait... that's the page for EXP growth!

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Are you lying about your source @sumwun?