Arcane Trickster
Some Rogues have through their adventures from partymembers or another source, become familiarized with magic. They use this for various misschievious activities and
Level 3
Spellcasting
You have learned to recognize the magic which lingers in the surrounding world, and to be able to channel it through your body. This channeling is not without strain. You have a pool of Appetance equal to your Rogue level, when casting spells this costs the level of the spell in Appetance. All spent Appetance is restored when finishing a Long Rest.
Spell learning
You can cast and learn spells from scrolls. It also possible to learn from passed on knowledge, or rugirous observation within the world. You can learn difficulty 1 spells by heart, you can cast difficulty 2 spells but need to read from scrolls them while casting.