Here is the full list of all 34 HEARTBEAT achievements.
Gathered ALL Possible Data for June's Research
Defeated the Venerable Peppy Jack
Collected 2nd Set of Core Shards
Collected 50% of Solum's Fish
Collected ALL Xoth Transformations
Completed the Kuji Inn Treatment
Slept on 20 different Sleeping Sacks
Defeated the Crab Known as "God"
Clear Arena Gauntlet
Alchemized & Collected All Weapons
Helped Gwen & her Mogs
Clear ALL Main Arena Cups
Quelled Queen Verrine's Woes
Helped the Xothian Child Find Their Roots
Open 200+ Treasure Chests
Found Nyx & Kon
Uncovered Otecho's Mystery
Helped Dawn & her Mogs
Helped Io & The Terror Trio
Slept 30x on Sheepsquatch Sleeping Sacks
Laid Corona Woods' Chicken Elemental to Rest
Helped Rex & Troz
Accompanied Chip & Luca
Reunite Quinn with Frey
Acquire ALL Rakshasa Belts
Slept 5x on Sheepsquatch Sleeping Sacks
Slept 15x on Sheepsquatch Sleeping Sacks
Own 25% of Wukong Cards
Own 50% of Wukong Cards
Own ALL Wukong Cards
Completed Solum Fish Collection
Caught the Almighty Astortoise
Spent 1 Million Yuan
Collected Every Music Track