This is just a list of the Miko Challenges. so that you can check on them if you are in game instead of having to keep seeing them in the main menu.
Regrown Universe
Heal 30,000 damage with Miko's Healing Beam.
Two's A Crowd
Complete 3 matches while on the same team as Kelvin.
Sporenado
Stun 100 enemies with Cloud of Spores.
(
on level 4)
Sowing Destruction
Assist in killing 50 enemy Battleborn.
Hats Off To The Healer
Heal 3 allies at once with Fungus Among Us, 30 times.