Primodial Rune (Midsummer) (原初のルーン（盛夏）?)
| Rank | User(s) |
|---|---|
| A | Scáthach-Skadi (Swimsuit) |
| Scathach-Skadi, who has changed into a Summer Saint Graph, also utilizes the Primordial Rune. The rune also switches over to midsummer specifications, but only the user may know what is exactly different. |
| Servant Skills |
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| A • B • C • D • E • F • G • H • I • J • K • L • M • N • O • P • Q • R • S • T • U • V • W • X • Y • Z • # |