Here is the full list of all 86 Astral Ascent achievements.
Unlock all Auras from Barbecue
Defeat Gemini at Destiny Level 6+
Defeat Pisces at Destiny Level 6+
Defeat Sagittarius at Destiny Level 6+
Use your Signature Spell 500 times
Defeat Capricorn at Destiny Level 6+
Defeat Aquarius at Destiny Level 6+
Upgrade a spell to level 10
Defeat Cancer at Destiny Level 6+
Defeat Leo at Destiny Level 6+
Your Zodiac sign helps you 3 times
Defeat Virgo at Destiny Level 6+
Defeat Libra at Destiny Level 6+
Defeat Scorpio at Destiny Level 6+
Defeat Aries at Destiny Level 6+
Defeat Taurus at Destiny Level 6+
Defeat Virgo
Unlock all spells from the Peddler
Buy all items from an Itinerant Peddler
Defeat Libra
Defeat Pisces
Equip 4 affinity gambits on a spell
Defeat Pegasus
Defeat Sagittarius
Equip a Zodiac Spell in The Moon Room
Defeat Aquarius
Defeat Sculptor
Defeat Scorpio
Equip an Astral Gambit
Defeat Lupus
Defeat Leo
Defeat Taurus
Face The Master
Use 200 Stars in a run
Reach the Event Horizon
Defeat Gemini
Obtain 1000 Quartz in a run
Defeat Hydra
Reach the Crimson Highlands
Equip an Astral Aura
Defeat Cancer
Reach the Coral Archipelago
Defeat Aries
Defeat Draco
Change a Spell affinity in The Sun Room
Reach the Red Barrens
Defeat Capricorn
Defeat Monoceros
Find the hidden nest in the Garden
Start 30 escape attempts
Reach the Garden
Success a Zodiac Challenge
Meet Chamaeleon
Save all Yalees from the Kingdom
Captured 5 Astral Spirits
Summon a Zodiac to support you
Perfect 30 Fight Rooms
Reach 1000 damage in one combo
Unlock Zim-Zim
Unlock the Peddler
Unlock Sire Bapy
Unlock Barbecue
Unlock Papa Yalee
Unlock Oloon
Unlock Octave
Unlock Calie
Complete 50% of Sire Bapy’s achievements
Defeat 30 Star Guardians
Unlock the Path of Destiny
Unlock all Zim-Zim abilities
Reach level 12
Obtain 5 Echoes in a run
Open 150 Key Chests
Trigger 12 dialogues on Benches
8 stones of each type equipped simultaneously
Unlock all Oloon colors
Collect all memory fragments for Papa Yalee
Defeat The Master at Destiny Level 6+
Collect 100 Destiny Fragments
Activate all abilities of the Void Catalyst at once
Upgrade a spell to level 15
Success an escape at Destiny Level 15+
Unlock Ayla’s ending
Unlock Kiran’s ending
Unlock Octave’s ending
Unlock Calie’s ending