S tier
spend-priorityMagnet and the next farmable zoneEarly gold should extend pickup range and open the next area you can already clear. A magnet that never reaches the crystals wastes every pet you equipped.
Player decision Buy this before a higher egg.
A tier
spend-priorityPet slotsMore equipped pets break more crystals. Slots are the multiplier on the loop you already have.
Player decision Fill slots with pets you can replace, then fuse the extras.
spend-prioritySafe fusion of duplicatesFusing a full duplicate batch raises rarity. Fusing your last copy of something you still need for a quest is the unsafe version.
Player decision Fuse when the preview matches a stack you can rebuild.
spend-priorityThe egg your zone can restockHatch the rarity the area you can farm actually sells. That is how fusion batches get rebuilt.
Player decision Pay the live price for the egg you will hatch during a boost.
B tier
spend-priorityShiny huntingShiny Score is the reported gate for Grotto and Grove. Hunt shinies when a door asks for that score, not before the magnet loop works.
Player decision Read the live luck display and spend luck boosts while hatching.
C tier
spend-priorityMetallic huntingMetallic forms are a late damage track. A February 2026 tutorial puts the first luck upgrade at 10 stones after Grove's 1,000 Shiny Score, with very small early odds.
Player decision Start after Shiny Score doors are open and you can fund the luck upgrade.
spend-priorityRebirth timingRebirth is strong once you want Mythic Stones, and expensive if you still need the gold it wipes. Confirm the popup.
Player decision Spend gold down first unless Gold Hoarder is already owned.
D tier
spend-priorityDumping gold into the priciest eggThe Mine's Ascended egg and other top prices do not help if your pets cannot farm the zone that restocks them, or if a rebirth is about to wipe the gold.
Player decision Buy it when the sign and the panel both say you are already farming that tier.