There are relics as a tool mostly for speeding up.
How to get these relics? You can find a relic of exploration, a relic of breeding, a relic of hatching and a double egg relic in Dungeon shop. They are for triangle currency, getting by fighting in Dungeon fights.
Other way to get them is buying for 5000 gems relic exchanger, but I haven't it yet.
Sometimes relics might be in chests in Dungeon or as awards in events.
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