Buffs

Much of this info is from the LuckBox Guide:

Besides upgrading the Stats of your stones, you can also purchase buffs to increase your Power. Buffs are categorised into 4 different types. They are:
 * 1) Gold Buffs	(Upgraded by Gold, passive buffs)
 * 2) Ruby Buffs	(Upgraded by Rubies, passive buffs)
 * 3) Clan Buffs	(Purchased in Clan Shop, Active buffs)
 * 4) Pet Buffs	(Available after you obtained Pet)

Gold Buffs

Gold buffs are upgraded using Gold, they give permanent bonus to your basic status. Like stone stats upgrade, the chances of successful upgrade decreases as the level of the buffs increases.

Ruby Buffs

Ruby buffs are upgraded by rubies, they also give permanent bonus to your basic status. However, they are upgraded at a 100% chance. In addition, there are also 3 super buffs which are exclusively only available in ruby buffs. Check the table below for more information.  Clan Buffs

Once you join a Clan, you will be able to purchase Clan buffs in your Clan Shop. Clan buffs are purchased by Clan Coins, which you will obtain when you make donations to your clan. The buffs are active and will only be active for a certain period of time.

Pet Buffs