Challenge Arena Shop

Challenge Arena and the Shop were permanently shut down on Apr 18, 2016, 23:59 PST.
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== Rainbow Coin Shop==
Rainbow Coins are mainly used to spend on Rare Summon in the limited-time Challenge Arena Summon. 
During the events, only batches before Kira and the unit Brave Kurewa & Kuraginn will appear from the Summon Gate. Each summon costs 3,000 Rainbow Coins.
== Gold Coin Shop==
Item 	Effect 	Cost
Fire Mecha God 	High-Tier Evolution Material 	25,000
Water Mecha God 	High-Tier Evolution Material 	25,000
Earth Mecha God 	High-Tier Evolution Material 	25,000
Thunder Mecha God 	High-Tier Evolution Material 	25,000
Light Mecha God 	High-Tier Evolution Material 	25,000
Dark Mecha God 	High-Tier Evolution Material 	25,000
Sphere Frog 	Allows you to equip a second sphere to your Unit. 	50,000
Burst Emperor 	Increase your Unit's BB / SBB level by 5. 	20,000
Almighty Imp Arton	Increase the power of your Unit without increasing team cost.	20,000
Burst Frog 	Increase your Unit's BB / SBB level by 1. 	4,200
Power Imp Pakpak 	Increase the ATK of your Unit without increasing team cost. 	1,700
Guard Imp Ganju 	Increase the DEF of your Unit without increasing team cost. 	1,700
Healing Imp Fwahl 	Increase the REC of your Unit without increasing team cost. 	1,700
Vigor Imp Molin 	Increase the HP of your Unit without increasing team cost. 	1,700
== Silver Coin Shop==
:"Revive Potion" redirects here. To see the other types of revives, see Revive or Revive Light.
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Item 	Effect 	Cost
Legend Stone 	A mysterious stone that allows Units to surpass the gods' power	10,000
Imp Key 	Get Imps from "Garden of Imps" from Parade Garden in Vortex. 	5,000
Metal Key 	Get Jewels from "Metal Parade" from Parade Garden in Vortex. 	250
Jewel Key 	Get Jewels from "Jewel Parade" from Parade Garden in Vortex. 	250
Revive Potion 	Revive one Unit. 	1
Healing Potion	Heal one Unit to max HP. 	1