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Monster Sanctuary is unique amongst monster-taming games in that it makes a great effort to ensure that every monster in the game is useable no matter what point in the game you are at. It's very possible to take that Blob you got at the very beginning and take them all the way to the end.

RELATED: Monster Sanctuary: Best Debuffers

This means that while monster evolution is a part of the game, it gives your monster a sidegrade rather than an upgrade - and it's something you'll have to do if you want to complete your monster journal.

Updated April 28, 2023: If you're building up a team to tackle the upcoming free update for Monster Sanctuary, we've got you covered in terms of Evolutionary Catalysts! We've updated this guide to be more readable.

How To Evolve Monsters

Monster Sanctuary Tree of Evolution
The Tree of Evolution in the Ancient Woods in Monster Sanctuary

To evolve your monsters in Monster Sanctuary, you will need to take them to the Tree of Evolution which is located in the Ancient Woods area. You'll be able to reach this area quite early on in the game - it is to the east of the Keepers' Stronghold.

You must also use a specific evolution catalyst there, which is used up upon evolution. We'll take a look at every evolution in the game and where to get the catalysts required for them.

Grummy 🡆 G'rulu

Monster Sanctuary Evolution Grummy G'rulu
Diagram showing that Grummy evolves into G'rulu in Monster Sanctuary

Grummies are found in the Blue Caves and the Stronghold Dungeon and make for good support units with access to Armor Break and Poison. G'rulus trade their poison attacks for some more offensively based skills and the valuable Auto-Heal ability which passively heals your weakest monsters while attacking.

To evolve a Grummy into a G'rulu, you will need some Stardust, which can be acquired in three ways:

  • Drops from G'rulus that can be found in the Stronghold Dungeon.
  • Drops from Sycophantoms that can be found in the Sun Palace.
  • Found in a level one Reward Box.

Magmapillar 🡆 Magmamoth

Monster Sanctuary Evolution Magmapillar Magmamoth
Diagram showing that Magmapillar evolves into Magmamoth in Monster Sanctuary

Magmapillars are encountered on the Mountain Path and in the Ancient Woods. They are one of the earliest sources of Burn and can also apply Shields and other defensive buffs. Magmamoths, on the other hand, try to balance offense with healing - though they're still great at applying Burns.

To evolve a Magmapillar into a Magmamoth, you will need a Cocoon, naturally.

  • One Cocoon can be found in a chest within the Ancient Woods.
  • More Cocoons may be found when opening a level one Reward Box.

Minitaur 🡆 Megataur

Monster Sanctuary Evolution Minitaur Megataur
Diagram showing that Minitaur evolves into Megataur in Monster Sanctuary

The Minitaur is a Champion monster encountered in the Blue Caves, and you can get a Minitaur Egg by achieving a five-star rating against it or by opening level one Reward Boxes. It evolves into the Megataur, and both are physical powerhouses - though the Minitaur focuses on critical hits, and the Megataur branches out into Chill application.

You'll need a Shard of Winter to evolve a Minitaur into a Megataur. There are two ways to get these:

  • One is given to you by the Clothes Maker in Snowy Peaks in return for a Carrot.
  • You can also get them from level two Reward Boxes.

Ninki 🡆 Ninki Nanka

Monster Sanctuary Evolution Ninki Nanka
Diagram showing that Ninki evolves into Ninki Nanka in Monster Sanctuary

Ninkis are found as eggs in the Sun Palace and are great at inflicting earth and water damage, using the Poison status, and healing allies. The Ninki Nanka is a more offensively based monster, trading healing abilities for fire damage and Burn. While you cannot fight Ninkis, Ninki Nankas will drop their eggs.

Magical Clay is the catalyst for evolving adding a Nanka to a Ninki.

  • One of these is given to you by the Keeper at the Tree of Life, probably to demonstrate the powers of evolution.
  • More can be found in level two Reward Boxes.

RELATED: Monster Sanctuary: Combat Tips To Beat The Game

Crackle Knight 🡆 Sizzle Knight

Monster Sanctuary Evolution Sizzle Knight Crackle Knight
Diagram showing that Crackle Knight evolves into Sizzle Knight in Monster Sanctuary

The Stronghold Dungeon is where you'll find the Crackle Knights, and they are capable of evolving into Sizzle Knights. While both monsters are similar in that they are both physical fighters that can cause electrical damage and tank for their allies, Crackle Knights get some neutral attacks while Sizzle Knights delve into fire.

This evolution requires a Sun Stone.

Vaero 🡆 Silvaero

Monster Sanctuary Evolution Vaero Silvaero
Diagram showing that Vaero evolves into Silvaero in Monster Sanctuary

Vaeros are birdlike monsters found early on the Mountain Path and later on at Horizon Beach. They are good physical attackers that evolve into Silvaeros who are hybrid attackers, and both are great at inflicting critical hits.

A Silver Feather is required to evolve a Vaero, and they can be found in multiple places:

  • Rare drop from enemy Silvaeros.
  • Chest in the Horizon Beach area.
  • Level three Reward Boxes.

Rocky 🡆 Mega Rock

Monster Sanctuary Evolution Rocky Mega Rock
Diagram showing that Rocky evolves into Mega Rock in Monster Sanctuary

Rocky is an early monster found exclusively on the Mountain Path, it's a support-oriented monster with healing skills and a propensity for earth damage. It evolves into Mega Rock, a late-game monster with great defensive skills.

Evolving a Rocky into a Mega Rock requires a Giant Seed.

  • Mega Rocks themselves may drop Giant Seeds when fought in the Underworld.
  • Level three Reward Boxes may also contain Giant Seeds.

Glowfly 🡆 Glowdra

Monster Sanctuary Evolution Glowfly Glowdra
Diagram showing that Glowfly evolves into Glowdra in Monster Sanctuary

Glowflies are support-oriented monsters that can be encountered in the Ancient Woods and in the Magma Chamber. They can evolve into Glowdras, which have far more offensively-oriented skills and can apply Sorcery to themselves while attacking.

This evolution requires some Volcanic Ash for its catalyst.

  • Glowdras can drop Volcanic Ash as a rare drop when fought in the Magma Chamber.
  • A chest in the Magma Chamber contains some Volcanic Ash.
  • Level three Reward Boxes may also contain the catalyst.

RELATED: Monster Sanctuary: The Hardest Champion Monsters, Ranked

Draconov 🡆 Dracogran / Dracozul / Draconoir / Dracomer

Monster Sanctuary Evolution Draconov Dracogran Dracozul Draconoir
Diagram showing that Draconov can evolve into Dracogran, Dracozul, or Draconoir in Monster Sanctuary

This monster is found in the Magma Chamber. Draconovs are rather like the Eevee of Monster Sanctuary in that they can evolve into four different big dragons with different elemental skills, and they evolve using elemental stones.

Draconovs will evolve into Dracograns with Fire Stones, Dracozuls with Ice Stones, and Draconoirs with Dark Stones.

Monster Sanctuary Evolution Draconov Dracomer

With the Forgotten World DLC, Draconovs can now evolve into Dracomers with Deep Stones.

Fire Stones

Ice Stones

  • Rare loot from Dracograns in the Magma Chamber.
  • Level three Reward Boxes.
  • Rare loot from Dracozul, a Champion monster in the Icy Peaks.
  • Level four Reward Boxes.

Dark Stones

Deep Stones

  • Rare loot from Draconoir, a Champion monster in the Underworld.
  • Level four Reward Boxes.
  • Rare loot from Dracomer, a Champion monster in the Forgotten World.
  • Level X Reward Boxes.

Mad Eye 🡆 Mad Lord

Monster Sanctuary Evolution Mad Eye Mad Lord
Diagram showing that Mad Eye evolves into Mad Lord in Monster Sanctuary

The Mad Eye is a monster encountered as early as the Stronghold Dungeon and it is unique in that it can evolve into the final boss of the entire game: Mad Lord. Mad Eyes are great for targeting weaknesses and inflicting status effects thanks to their wide range of elemental skills, while Mad Lord does rather the same thing but with more physical oomph behind it.

A Demonic Pact is required to get a Mad Lord of your very own.

  • Mad Lord itself can rarely drop one when beaten in battle.
  • It can also be inside a level five Reward Box.

Blob / Ice Blob / Lava Blob / Rainbow Blob 🡆 King Blob

Monster Sanctuary Evolution Blob Ice Lava Rainbow King
Diagram showing that Blob, Ice Blob, Lava Blob, and Rainbow Blob all evolve into Rainbow Blob in Monster Sanctuary

Yet another unique evolution method. There are four Blob monsters in the game: Blob, Ice Blob, Lava Blob, and Rainbow Blob. All four of these Blobs evolve into the same monster, King Blob. The King Blob is neat in that its shift abilities vary on what type of Blob was used to evolve into it.

Turning any of these Blobs into royalty requires a Majestic Crown.

  • One Majestic Crown is rewarded for beating the Champion King Blob at Blob Burg with a five-star rating.
  • More Majestic Crowns can be acquired from level five Reward Boxes.

Monk 🡆 Ascendant

Monster Sanctuary Evolution Monk Ascendant

Added in a free update, the Ascendant is one of the monsters that you'll never be able to hatch directly. Instead, you'll need to find its hideout in the Blue Caves area - which will require having a monster with Summon Big Rock and one with Grapple to enter. Beating the champion with a five-star rating will earn you the Primordial Branch, which you can use to evolve a Monk.

  • Apart from beating the Ascendant with a five-star rating, you can get Primordial Branches from Level X Reward Boxes.

Fungi 🡆 Fumagus

Monster Sanctuary Evolution Fungi Fumagus

The humble Fungi, a cornerstone of many poison builds, was given a new evolution in the Forgotten World update, and it's the easiest new evolution to get, though you will need to access the new area to do so.

To turn a Fungi into a Fumagus, you'll need a Druid Soul.

  • Fumagi have Druid Souls as a rare drop. There are plenty of them in the Forgotten World to take on.
  • They can also be found inside Level X Reward Boxes.

NEXT: Monster Sanctuary: Team Building Tips