|Weapon Type||Musical Instruments|
|Current Owner|| Miluse|
|Owned By||Queenvail Girls' Academy|
|Light Novel||Volume 8|
Lyre-Poros is made up of five different instruments,which are drums, two guitars, bass and an air keyboard. Lyre-Poros was separated into five parts due to the Ulm-Manadite being too powerful.
Lyre-Poros has the ability to control sound. It cannot be activated unless five people with a high compatibility rate appear and is very difficult to use. By resonating the various instruments, the users can bring out the true power of Lyre-Poros. The cost of Lyre-Poros is becoming impulsive and unable to control one's emotions the higher the compatibility rate is.
Lyre Poros-Calliope (ライアポロス＝カリオペア) is an electric guitar that is capable of emitting a crushing wave. It can also deploy a sword-shaped blade of light.
Lyre Poros-Erato (ライアポロス＝エラード) is a set of drums that are capable of creating a barrier to protect against attacks. It can also serve as a shield.
Lyre Poros-Melpomene (ライアポロス＝メルポーネ) is a bass guitar that is capable of weakening the user's opponents. It can also deploy an axe-shaped blade of light.
Lyre Poros-Polyhymnia (ライアポロス＝ポリムニア) is an electric guitar that is capable of emitting a crushing wave. It can also deploy a trident-shaped blade of light.
Lyre Poros-Thalia (ライアポロス＝タレイア) is an air keyboard that is capable of strengthening the user's allies. While the effect is active, the eyes of those affected glow blue. It can also fire bullets of light.
- Each individual Lux is named after a muse.