Here is the full list of all 70 Kynseed achievements.
Clear Simplewood after traveling as deep as you can
Unlock all the perks for a shop
Strike Fred Barleycorn
Pick a flower during a Flower Bloom
Receive an item from a ghost during the Spirit Walk
Mine some ore during an Ore Rush
Fight during a Blood Moon
Take part in a dance
Catch a fish during a Fish Frenzy
Fight during an Eclipse
Witness a Lucky Lucky Star
Discover all the date spots
Take an egg from a Chicken Migration
Purchase an item from the Ghost Trader
Give an NPC a disliked item for their birthday
Clear the story task Fool Me Twice
Clear Midwood
Clear the story task The Jabberwock
Clear the story task Third Time Lucky
Clear Toughwood
Clear the story task Charming The Wrym
Learn all the skills from all the masters
Clear the story task A Missing Child
Defeat an elite monster
Clear Simplewood
Travel to Voide
Forge a 5 star item
Plant 3 magic beans
Rejuvenate a beloved animal
Receive a 5 star boon from a Goddess
Clear the story task The Unwell
Win a village competition
Learn all the skills from a master
Witness Tickling Tom Hookfingers scaring a villager
Clear the story task Burying The Past
Pick a mushroom during a Mushroom Sporing
Clear the story task The Encounter
Win one of the top 3 prizes in Squeal or No Squeal
Craft your first 5 star cure
Visit one of the secret markets
Have a baby / adopt
Get married
Travel to Evergreen
Specialise your shop
Travel to Tir Na Nog
Clear the story task Murder Most Fowl
Gift a villager all of their liked items
Encourage a villager to Like you
Cook a 5 star meal
Become Friendly with a villager
Win an auction
Purchase a shop
Complete the Prologue
Purchase your first Fairweather item
Travel to Briar
Craft your first cure
Make an offering to the Goddesses
Form a bond of Love with a villager
Forge your first item
Cook your first meal
Gift a villager one of their liked items
Learn a skill from a master
Perform a favour or notice board task for an NPC
Discover all the map stones at a single location
Discover all the map stones at every location
Pass on the Kynseed
Clear Midwood after traveling as deep as you can
Clear Toughwood after traveling as deep as you can
Win the top prize on Marble Toss
Attend the Summertide event for a second time