Arenia adds a TON of different staves and a few different crystals,
--Summon Staves--
Zombie Staff
Skeleton Staff
Husk Staff
Creeper Staff
--PvP Staves--
Explosion Staff
Fire Staff
Gravity Staff
God Staff
Teleportation Staff (1/2)
--Utility Staves--
Time Staff
Health Staff
Teleportation Staff (2/2)
--Crystals--
Empty Crystal
Water Crystal
Crystal Of Sight
Health Crystal (bit buggy)
Absorbtion Crystal
Strength Crystal
Fertility Crystal
To attain a crystal find an empty crystal in a chest and then find a crystal activator and choose one, crystal activators have a chance to replace chests so check in desert temples and villages
--Weapons--
Demolisher
Longsword
Harvester Knife
Morningstar
--Tips--
Try Smelting a Coal Block
There is a rare ore called Sternium. a Sternium axe does 50 damage, you can find in in y level 0 - 7
Search Monigar in the creative search
Fill Out a Crafting Grid With TNT
try to teleport yourself (or your friends) to a dimension called "limbo"
Also I HEAVILY recommend JEI with this mod