Simply Runes

Knowledge Fragment

A Knowledge Fragment found in a Stronghold chest

Runecarving

The Runecarving GUI, opened by adding Smooth Slate to a crafting table

Rune of Isa

The rune of Isa, as shown in a Knowledge Fragment

Runes

Five runes (from left to right): Ansuz, "Bifrost", Isa, Jera, Raidho