Four Crystal Plugin

An SMP Plugin Which Adds 4 Different Crystal That You Get From Being The First To Kill A Wither/Ender Dragon/Ravager/Warden

Adds An Op Only Command Called /givecrystal.
Use:
/givecrystal wardencrystal. for Warden Crystal,
/givecrystal explode. for Explosion Crystal,
/givecrystal empowercrystal. for Empower Crystal
And
/givecrystal totemcrystal. for Totem Crystal.

Each Crystal Has A Different Ability On Right Click
Explosion Crystal Does An Explosion Where You Look(Max Range = 30 blocks, Cooldown = 1 Minute).
Empower Crystal Gives You Strength III, Speed II And Haste II For 20 Seconds(Cooldown = 5 Minutes).
Warden Crystal Does A Sonic Boom Where You Look(Coodown = 10 Seconds).
Totem Crystal Gives You A Totem Crafter Used To Craft A Totem(Cooldown = 1 Hour).

2 Things To Note:

1. Evokers Don't Exist So The Totem Crystal Will Be More Useful.
2. Cooldown Still Go Down Even If The Player Logs Out And Even If The Server Is Offline.

To Get The Crystals In Survival:
Kill The Wither For The Explosion Crystal.
Kill The Ender Dragon For The Totem Crystal.
Kill A Ravager For The Empower Crystal.
Kill The Warden For The Warden Crystal.