How runes work
those who have runic knowledge can tattoo 10 runes on their arms, two of which are mandatory on the hands (runes of the sun and moon to travel between realities) and four on the top and bottom of the forearm (the runes here are of the user's choice)(Note: I did the runes in paint to express their meaning) more experienced people can use the tattooed runes without pressing them (ie it is necessary to press the rune to use it, but it is not necessary to hold it down).
These are the runes that Izuku will have.
Right arm:
YOU ARE READING
Izuku the Rune Mage (rewritten)
同人小说In this reality Izuku was neglected by his parents, the only person who cared about him was his adoptive sister, who protected him, at eight he disappears just leaving a letter for a person close to him. . .