There are many amazing tools and armor that come with this mod. The vis is just the tip of the iceberg and you should have fun with these.
The "Sword of the Zephyr" is a weapon that can be found in the special dungeons in this mod. This sword allows you to fly!
One set of armor is Thaumic armor, a armor that has a high enchantibility(around gold armor) and is as protective as iron armor. Can be repaired in a thaumic repairer