Top of the pet list because it helps every build: 1 energy merges everything mergeable at once, with a chance to reuse it, and it works in the shop rather than the fight.
Overview
Almost every run brings Mimic: about three in four of the runs on our Best Loadouts page carry it, across every class. The reason is price. For 1 energy, Mimic!!! merges every mergeable item in the backpack at once, saving the shop turns you would otherwise spend lining up pairs. In Rose's Double Up runs, firing it early finishes the first Spiked Armor a round sooner.
Stars make it better value still: from 2 stars there's a 50% chance to use it again that round, and two of its upgrades pay Coin for each merge. The weakness is the fight itself. Mimic does nothing once combat starts, so the other two slots have to carry it, usually Red Dragon plus a third pet chosen for the stage. If an event lets you pick one pet, take this one.
Seiren's fight-start Waterdrop Cushion, worth 200% of max HP, soaks the opening burst while the Mirror is still stripping buffs. White Wolf Captain gives every weapon 30% Haste for 10 seconds, and Transformation Magic: Charm is a weapon, so it strips more often in that window. Mimic merges everything mergeable in one go, which is how the Charm-and-shield piece gets finished in time for round 3.
The opening fight is a spike boss, so the plan is to burst it with burn inside Celestial Shield's 4 seconds of invincibility, with Red Dragon's 40% hit starting the damage. Geezer and Mimic speed up the staffs and wands that let Meow! stack ATK through the later rounds, and the later bosses need a stun lock set up with Ice Gloves.
Seiren and Flora keep Rose alive while Spike stacks build toward Parting Rose's execute, and Celestial Shield adds one more full heal if both fail. Mimic's merges get the spike armor finished sooner, which brings the execute forward.
Geezer and Mimic get the poison items finished early, and they go in the two slots Poison Coating enhances. Red Dragon's 40% opener covers the time poison takes to stack.
White Wolf Captain's 30% weapon Haste makes every spell fire sooner, and each spell hit adds to Meow!'s ATK bonus, so the Captain speeds up the whole ramp. Two burn rings and Gloves of Plague stack Primal Flame's burn on top, and Red Dragon's opener buys time while the stacks build.
The first boss has to die inside a 4-second invincibility window, which only White Wolf Captain's Haste and Red Dragon's 40% hit together manage. Mimic merges two Spark spells into Thunderstrike, and the rest of the chapter is Spark's usual stun lock around the Thunder Dragon.
Pet order. White Wolf Captain and Red Dragon together on the first boss.
Lightning Rod Wand and Wyrdwood Staffs power the main lightning spell from round 1, and Instant Freeze completes the stun lock by round 4. Seiren's cushion protects Spark while that setup comes together, and Red Dragon's opener shortens every fight.
Darkan's bonus grows as his HP drops, so the start of a fight is his weakest moment, and Red Dragon's 40% max-HP hit covers exactly that window. Geezer's pre-merged shop and Mimic's instant merges fill his backpack with finished weapons faster, and every weapon takes the Haste his missing HP gives.
Skill
Mimic!!!
Immediately merge all mergeable items.
Active · cost 1
Attributes
Value
Activation cost
1
Mimic star progression
What Mimic gains at each star rank. Owning it raises every hero's Total ATK, and each rank adds a star bonus and can change how its skill works.
Star bonus at 5★
40% ATK
Owned
Ownership +4% ATK
⚡
Activation cost 1
1★
Star bonus 8% ATK
★
1★ upgrade
Grants Coin for each item merged by this skill.
2★
Star bonus 14% ATK
★
2★ upgrade
Activated in a round has a 50% chance to be reusable during that round.
3★
Star bonus 20% ATK
4★
Star bonus 28% ATK
★
4★ upgrade
Reuse Rate increases by 50%.
5★
Star bonus 40% ATK
★
5★ upgrade
Grants 1 Coin each time an item is merged by it.
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