Pretty much just there to show how strong san is 

Name: Kanade Kamiya
Origin:Rosario To Vampire
Gender: Male
Classification: Fairy Tale 7th subdivision Leader, Siren
Age: Unknown 
Powers and Abilities: Super speedstrengthdurabilitycan transform into a Siren,Flight, Sonic bombs,can summon minions,his voice can inflict pain, kill and deprivate from its senses any being who hears it  .
Weaknesses: None notable
Destructive Capacity: Multi City Block+ (stopped a Post moka training tsukune hits and briefly matched San) | At least Multi City Block+ via powerscalling (One shotted Post moka training Tsukune)
Range: Several dozens of meters with his voice, City sized with his teleportation portals | Several meters with his feathers
Speed: Sonic attack speed,transonic combat speed and reactions| at least Transonic+, likely supersonic combat speed reactions 
Durability: likely Multi city block level (took a BL attack from post moka training Tsukune and Still had power to counterattack) | likely higher
Lifting Strength: At least Class 5+ 
Striking Strength: likely Class GJ+ | Class TJ
Stamina: likely above average | Large (keep singing even while sun song started exploding his internal organs)
Standard Equipment: His Harp
Intelligence: Very Smart (Water Mirror is an extremely difficult in verse magic and he performs it while smiling)
Notable Attacks/Techniques:

  • Water Mirror: By plucking the strings of his harp the surrounding ground acts like the surface of a liquid,from there he can choose to summon whichever of his subordinates he chosses to
  • Symphony for the Devil:  While on his Monster form, Kanade gathers and focuses his energy into the powerful sound-generating apparatus located in his neck firing a powerful sound blast strong enough to destroy base san barrier.

Notable OBD Victories:

Notable OBD Losses:

Other:

                                        Kanade Siren form

key: Base form | Monster Form