Open the map in your browser for a better view.
Ive labeled every type of collectable with a letter and Color, ive labeled them in order of how you encounter them in a normal playthrough. Artifacts dont have a letter, but ive put them on the map in a more detailed way.

Items with a * next to them are in grottos.
R3, P3 and R17 need to be planted beforehand and take 10 minutes to grow in order to be collected.
C4 requires the double jump ability
C5 requires the wall jump ability

By the end you should have:
24 Dotted Berries
7 Lun Berries
5 Peaches
25 Lilies
30 Fairies
3 Grimoires
12 Companions
29 Lunar Crystals* (those you cant look up ingame as far as im ware)
36 Sigils
21 Artifacts
2 Black Berries

The game only shows 111% after you collected every single item.

The game is very straightforward with its achievements. Most of them are tied to collecting items, you can refer to the map for those. This section is for the non-collectables.

Cat Friend
Pet many cats.


In Koho you can pet cats while standing next to them. Pet like 5 to get this easy one.


Peacekeeper
Bring peace to Koho.


You get this after defeating the final Boss and watching the credits after talking to Dora.


Perfectionist
Defeat a Major enemy without taking damage.


Not too difficult, if youve already beaten the game without getting this you can go to the Boss Rush and go for another try. The easiest i found is to cheese the big Boar enemy, you can jump over it once and hug the right wall, it cant hit you there and you can hit it as many times as needed.


Arranger
Finish the story in Arrange mode.


Youll unlock this after beating the game once. Simply start a new game and chose the Arrange mode at the start. In Arrange mode the entire map is mirrored and theres a few new enemies in some areas but i havent noticed any other differences.
There are no difficulty requirements for this, so you can play through it on easy too.


HC
Finish the story in Hardcore mode.


In Hardcore youll lose your savefile once you die so you need to be careful. You can chose hardcore just the same as youd chose arrange mode.
This seems daunting at first but theres https://cs2bus.com/sharedfiles/filedetails/?id=3246896979 this guide which has a very solid strategy.
This also doesnt require a specific difficulty so you can go a it on easy.


Moonlit Priestess
Earn every title.


You get this after unlocking all the other achievements.

These are for collecting every item of a specific kind.

Dotted
Eat every Dotted Berry in one save file.


Theyre labeled with a red R on the map, theres a total of 24 of those. Your final max HP should show 1500HP.


Magician
Eat every Lun Berry in one save file.


These are labeled with a blue B on the map, theres a total of 7. Your max Mana should show 100 at the end.


Swift
Eat every Peach in one safe file.


These are labeled with an orange P on the map, theres a total of 5. Im unsure if the Black Berries count towards those or not, these are labeled with a dark blue Q and theres 2 of them.


Heavenly
Obtain every Heavenly Lily in one safe file.


These are labeled with a white L on the map and theres a total of 25. In the end you should have 55 attack.


Attuned
Obtain every Sigil in one save file.


These are labeled with a dark red S on the map and theres a total of 36. 8 are obtained by Cereza in exchange for Lunar Crystals. Refer to the Sigils section for more details.


Bookworm
Obtain every Grimoire in one save file.


Theyre labeled with a green G on the map and theres a total of 3.


Adventurer
Destroy every Lunar Crystal Repository in one save file.


These are labeled with a pink M on the map and theres a total of 29.


Summoner
Obtain every Illusory Companion in one save file.


They are labeled with a black C on the map, theres a total of 12.


Collector
Obtain every relic in one save file.


Most of those are story related anyways, im not sure if atleast one of those is missable. Refer to the Artifacts section for more details.


Saviour
Help Hazelia free every Lumen Fairy in one save file.


These are labeled with a yellow F on the map, theres a total of 30. Youll unlock this after talking to Hazelia at the fairy palace after freeing all 30 of them and obtaining the Oracle Sigil.


Comrade
Reach maximum friendship with Cereza in one safe file.


Theres a total of 4 areas where Cereza wants to chat with you, ive labeled them with a pink square. Youll unlock more Sigils to be created in return so these are required anyways.


Wanderer
Visit every space in the map in one save file.


You can refer to this with the map, theres 2 tiles in Koho village which unlock only after youve beaten the final boss.


Completionist
Reach 111% completion in one save file.


Youll get this one after getting every collectable in the game, you can track the completion percentage after youve beaten the final boss on the pause screen.

Heres a List of all 36 Sigils in the game, in case youre missing a certain one. Ill put the corresponding label from the map on each as well.


The Fool S1 / The Hunter S2


Living Edge S3 / Cloudy Blood S4



Resonance of Ifriya S5 / Pawn S6



Companionship Pact S7 / The Arsonist S8



The Fortunate S9 / The Blessed S10


Glazed Aegis S11 / Welkin Leaf S12


The Sharpshooter S13 / Phantasm Blade S14


Serval S15 / Mudwalker S16


Living Blood S17 / Hare S18


Resolve S19 / Magic Blade S20


Mending Resonance S21 / Dark Healer S22


Perfect Chime S23 / Quintessence S24


Trinary S25 / Ascended Slash S26


Demilune Whisper S27 / Oracle S28




Last Wish / Strongfist


Fallen Hero / The Profiteer


Chrysanth / The Collector


Queen of Dusk / Queen of Light

Companions have one of three aspects:
Healers can drop you a mana pickup
Explorers can drop Lunar Crystal
Brave companions can shoot enemies

Notice that companions arent present during Boss Battles.

Grimalkin Spirit C1
Healer






Lawa C2
Explorer






Floatting Skull C3
Brave






Bakman C4
Explorer






Simple Cube C5
Explorer






Kaho C6
Healer






Vampire Bat C7
Brave






Ducky C8
Brave






Cactus C9
Brave






Dora C10
Brave






Nun C11
Healer






Lineth C12
Healer

Most of these are story related and youll unlock them sooner or later regardless.
Youll get some temporary artifacts during your gameplay which youll exchange for other ones. These are all the artifacts you should have in the end.

Youll start the game with the following 4:

Awakened Sacred Leaf

Starts as a regular Sacred Leaf, turns awakened after bathing it in the holy water (same area as C4) which gives it the ability to cut red vines.





Leather Satchel


Kohonese Bow


Healing Bell





Sacred Anemone

Gives you the ability to sprint, youll get this after defeating the Harpy with Dora.






Crescent Moonflower

Gives you double jump, youll get this after defeating the black cat.






Grimoire

One of 3, it allows you to equip an additional Sigil. Its marked on the map as G1.






Spiral Shell

Gives you walljump, youll get this from the Fairy Queen after defeating the big snake lady.





Fairy Icon

You get this from the mouse in the cage, youll need to first free him from said cage, then meet him in the fairy palace in which he will give you an amulet. Go with this amulet to the area where the Very Big Spider is and defeat it. Youll obtain another amulet, show this to the mouse and youll get the fairy icon.



Heavenly Rod and Heavenly Lure

Allows you to go fishing at fishing spots. Youll get it in the area at the very bottom of the fairy palace.






Glistening Hair Strands

Lights up dark areas more. You get this from Hazelia after bringin her 10 Fairies.







Lunar Attunement

Gives you better combat abilities and higher jumps while active. Also gives you the ability to move through thick fog. You get this from the big white snake after bringing it the Silver and Golden Moonlit Dust as well as defeating the Tainted Serpent.




Old Map / Windmill Key


Is needed to proceed, you get both from the Meikan Village Leader after bringin her the Wooden Box.


Tattered Grimoire

Another Grimoire, its marked as G2.






Melodite

Strenghtens your Healing Bell. With the Old Map go talk to the big Cat and hell bring you to an area in which youll get the Lunite. Bring that back to the Meikan Village Leader to get the Melodite.




Dusty Grimoire

The last Grimoire, its marked as G3






Sangrial

No apparent effect, you get this after defeating the final Boss from Melilot in Koho Village. Im not sure if this is missable if you ignore Melilots events during your gameplay.




ID Brooch

Enhances the duration of Lunar Attunement, you get this after defeating Dora in Koho village after watching the credits.





Tear of Illusion / Tear of Fate


They have no apparent effect, you get those from Olveria after defeating some Bosses. I got the blue one after 9, the red one after 14 bosses.

If you have any feedback or tips to improve the guide please leave them in the comments, ill try my best to improve my guides in any way.

You can check out the other guides ive made below:

https://cs2bus.com/sharedfiles/filedetails/?id=2551096321
https://cs2bus.com/sharedfiles/filedetails/?id=2664179157
https://cs2bus.com/sharedfiles/filedetails/?id=3013345823
https://cs2bus.com/sharedfiles/filedetails/?id=3365715065