> For the complete documentation index, see [llms.txt](https://fusionmonsters.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://fusionmonsters.gitbook.io/docs/mobile-game/adventure-mode/secret-base/collection.md).

# Collection

Increase your collection level to access new World Levels in "Exploration"

Feed different <mark style="color:yellow;">**Fusemon Species**</mark> with specific food (in [Kitchen](/docs/mobile-game/adventure-mode/secret-base/kitchen.md)) to increase its rank, each time you increase it you will increase your total collection level.

Fusemon Rank Ups are specific to each rarity and give bonus collection levels:

* <mark style="color:yellow;">Origin</mark> = #Owned x 4 (Rarity Bonus)
* <mark style="color:blue;">Royal</mark> = #Owned x 3 (Rarity Bonus)
* <mark style="color:purple;">Noble</mark> = #Owned x 2 (Rarity Bonus)
* Standard = #Owned x 1 (Rarity Bonus)

### Mastery Rank

(special rank up stages that need to be overcome in order to further increase the rank for that fusemon species)

* 4 Mastery Ranks (15/40/65/90)
* Fusemon Abilities unlock at each rank stage (4 total) and can be applied to each inidivdual fusemon using ability capsules
* Reaching max rank 100 grants you a rare candy that you can use to give a prestige star rank to a specific fusemon (increases its exploration rewards and gives a flat power boost to attacks)

**Each Mastery Rank Up Stage Requires the following:**

* Rank 15: Type Badge (gym challenge in [Exploration](/docs/mobile-game/adventure-mode/exploration.md))
* Rank 40: Type Badge (gym challenge in [Exploration](/docs/mobile-game/adventure-mode/exploration.md))
* Rank 65: Dual Type Badge (2 gym challenge badges + fusion device acquired from bosses in [Exploration](/docs/mobile-game/adventure-mode/exploration.md))
* Rank 90: Rainbow Badge (all type gym challenge badges + rainbow device acquired from raids in [Exploration](/docs/mobile-game/adventure-mode/exploration.md))

### World Tiers

Total Collection Level will allow you to unlock new World Tiers which improve your exploration capabilites & shops (values can be adjusted before release):

* World Tier 1 - Collection Level 0
* World Tier 2 - Collection Level 2.500
* World Tier 3 - Collection Level 5.000
* World Tier 4 -  Collection Level 7.500
* World Tier 5 - Collection Level 10.000
* World Tier 6 - Collection Level 25.000
* World Tier 7 - Collection Level 50.000
* World Tier 8 - Collection Level 75.000
* World Tier 9 - Collection Level 100.000
* World Tier 10 - Collection Level 250.000

(New World Tiers will be released with each new season)

### Peanutbutter

Rank Ups of Origin Peanutbutters will give special Peanutbutter medals depending on how many copies you have:

* **100** Medals: <mark style="color:yellow;">Origin</mark> (max supply of 50 Peanutbutters)
* **10** Medals: <mark style="color:blue;">Royal</mark> (only earned from leaderboards & events)
* **1** Medal: <mark style="color:purple;">Noble</mark> (only earned from leaderboards & events)

Exchange **1000 Medals** for a Peanutbutter statue that gives a <mark style="color:yellow;">1% increase in Coinz earnings</mark> everywhere

(Peanutbutter ranks can be reset using ultra rare items called divine candies)