You can cast spells and break the laws of physics with mods like Electroblobs wizardry, and Lucraft based mods such as Speedster Heroes (will be updated to meta heroes when it is released), and Heroes Expansion along with addon packs, you can make many weapons and armor with tinker's construct, JEI is added for ease of crafting, and all mods from the thermal series are included as well
The Purple Prodding Team
