Where do I find mega evolution stones for blaziken on Pokémon fighters ex?

In Pokémon Fighters EX, you can find the Mega Evolution Stone for Blaziken by completing specific challenges or events related to the Hoenn region. Additionally, check the in-game shop or participate in special raids, as they sometimes offer Mega Stones as rewards. Keep an eye on updates and announcements, as new sources for these items can be added over time.