Prismata

Prismata – a complete magic-focused modpack. Master ChromatiCraft's color-based power, wield Thaumcraft's forbidden research, nurture Botania's mana, walk witchery's path, and sacrifice with Blood Magic. Magic is your only tool...

Modpack for 1.7.10 related to the magic, exploration and progression through quests.

The main mods are ChromatiCraft, Thaumcraft, BloodMagic, Botania, Witchery. In addition to them, there are several good mods that will decorate your world and your survival.

It's better to choose 4-6 GB of RAM. More than this norm you will be unhappy with your FPS :(