How can you increase the chances of getting a Contrary Pokemon (specifically Lurantis/Fomantis)?

Question

I really want a Contrary Leaf Storm Lurantis, but I know that getting HA Pokemon is rare. Any tips?

Answer 1

HA Pokemon Start appearing at a chain of 10+ I would recommend you bring something with sticky web that notifies when contrary activates the fomantis will get a speed boost from sticky webs if it is The contrary ability

Sources
-method
-Experience doing it myself