Don’t mind me, just taking inventory of the runic languages I’ve learned . . .

Illageralt // Forgotten Glyphs // Gerudo // Sheikah // Emerelian §
Void Script * // Syllibary Hegemonic * // Foundational Hegemonic *
Trace Glyphs // Inidrian § // IA:CC Writing † // SMS Spirals
NMS Compact Script // Atlas Portal Glyphs * // Gray Wavetapper Box §

Total languages in storage: 15

* Language is not a 'runic' language; that is, it does not
  directly substitute the individual letters of Latin script
† Language has not been completely decoded
§ Language is an original creation