Lyria is the first unicorn that Mia befriends in Centopia.
Mia first met Lyria caught in a trap set by the Muclus. She frees her and soon becomes greater friends with her.
In The Golden Son, she gives birth to Onchao and becomes his proud mother. However, at the end of Onchao's Oasis, she tells Mia to hold on to Onchao and promise to always to look after him and lets herself be captured by Gargona.
Lyria has a bright pink mane and tail, which are both decorated with white flowers.