How to unlock Mega Minion in Clash Royale?

In Clash Royale, players battle each other in 1v1 and 2v2 battles using cards that can be unlocked from chests.

MINIONS VS MEGA MINION - CLASH ROYALE CHALLENGE #162

Mega Minion Emotes! : r/ClashRoyale

Mega Minion, Clash Royale Wiki

Supercell Make: Shoo! Mega Minion Emote#foryoupage#fyp#clashroyale #

Clash Royale - Best Mega Minion Decks & Strategy!

Minions, Clash Royale Wiki

Clash Royale - MEGA MINION! 4 New Cards (New Update)

Head BONK Mega Minion Emote : r/ClashRoyale

A rare fusion of the Pekka and the mega minion, What do you think guys? : r/ ClashRoyale