Queen's Blade OVA

Round Dance, The dreaming mermaid princess

Siggy, a nun of the Holy Dynasty, travels to the capital Gainos to worship in the Grand Cathedral. On her journey she meets Iron Princess Ymir who is peddling her cheap imitation weapons as usual, and with her help Siggy overcomes various obstacles, saving a sick child and burning some bandits and heretics along the way. In the end Siggy is bestowed the title of Inquisitor and granted the Holy Flame Mace as her weapon.