Magical Mari-chan does 1,865 damage during BF, she gives a Dark Ring for winning and becomes available for recruitment as a companion.
She can be seen hiding in a building when the lewd air struck down the Grangold and has spread towards Goddard, she warns Luka and his party that the lewd air is dangerous and stay shut in her home until the issue is resolved.
She plays a role in the Magical Girl Tournament selection, as she leads the ceremony and the recently freed Cassandra and Emily want to take their chance at becoming a magical girl. After Luka successfully beat the duo and another contender, she guides the reluctant hero through the process. However, the ritual gets interrupted by Granberia who ends up receiving the magical girl blessing instead. After an awkward moment, the dragonkin leaves without a fight, and Magical Mari-chan gives the party the Magical Contract job item.
She plays a minor role in "The Land of Night and the Heroes of the Seven Worlds", as she can train Rigeo in chapter 5 to give her access to Magical Girl skills.
Mari-chan: “Now, let’s spread my grudge around the world!♪”
Magical Mari-chan: “Magical☆Mari-chan♪”
Magical Mari-chan struck her signature pose!
…But nobody was watching.
Magical Mari-chan: “Magical☆”
Magical Mari-chan is secretly playing with matches…
[All enemies take fire damage]
Magical Mari-chan: “Do your best♪ Do your best♪”
Magical Mari-chan cheers on the others. Their morale rises!
[Attack and Magic increase.]
Magical Mari-chan: “This is a present. ♪”
Magical Mari-chan presents a gift!
[+1 Cicada Shell]
Magical Mari-chan: “Magical☆Aura♪”
Magical Mari-chan releases poisonous gas on her allies!
[All allies take bio damage and get randomly poisoned]