Missions
Complete daily missions to earn points for extra rewards. A 5 USD event pass for each Silver Shell event doubles the rewards for the missions.

Random events with a special currency, Silver Shells, that buy limited items at good rates.
Complete daily missions to earn points for extra rewards. A 5 USD event pass for each Silver Shell event doubles the rewards for the missions.
Buy Silver Shells from event packs.
Spend Silver Shells on items.
Carry over from one event to the next and stay in your backpack until you spend them in the shop
Old event skins you choose yourself. They cost 3,000 to 5,000 Silver Shells, depending on the event and state age. If you own every option, a city skin chest gives 100 and a march or teleport skin chest gives 20 Mythic General Hero Shards.
Island building. 1% lethality and health for each level, up to 10% each at max.
Island building. 2% research speed for each level, up to 10% at max.
Island building. 3% training speed for each level, up to 15% at max.
Charm materials. For servers with Gen 7 heroes.