Breeding Simulator
Who can breed with 圣剑骑士 as the mother?
This page lists the spirits that can breed with 圣剑骑士 as the mother, and also helps you quickly understand shared egg groups, offspring inheritance, and what to try next. You can also combine this with shiny filtering to narrow things down.
Who can you try next?
Element
Nothing under the current filters can continue this breeding route.