Alchemy Stars


Alchemy Stars Guide
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Alchemy Stars is a strategic roleplaying game featuring a diverse cast of characters that you can recruit. You might be wondering which units are viable, or perhaps you’ll want to get to know more about the potential of strong units. With different star ratings in the game, one of the best recruits that you can get are 6-Star characters.

There are four main elemental attributes that are available in Alchemy Stars. You can have attributes for Forest, Fire, Thunder, and Water. These have different 6-Star units that you can choose from. In this page, we’ll be checking more about the Thunder attribute character named Gronru.

Here, we’ll be checking out Gronru’s profile, skills, equipment, and breakthrough bonuses. We hope that this page will help you out learn more about this character in case you will try to get them in your team. Let’s check what’s in store upon acquiring this character.



FactionIllumina Federation
Primary AttributeThunder
Secondary AttributeForest

Note: You might notice that the profile describes a secondary attribute. Whenever you recruit an Aurorian for the first time, you’ll be able to view their primary attributes only. The secondary attribute is only acquired once you have obtained the max level of Ascension. Legendary Aurorians come with their max ascension level however. We also didn’t include their Atk, Def, and HP since the values can change over time depending on the game updates.

In Alchemy Stars, Gronru is a Thunder unit with a Converter role. As such, the skills that you’ll be able to obtain will let you change the colors of tiles in order for you to get better paths when attacking. In terms of chain combos, you’ll be able to deal damage to a number of columns within a given number of tiles you have crossed.


Active SkillConverts 4 nearest Blue and Red tiles to Yellow.
Skill Cooldown2 Preemptive Rounds
Chain Combo (5 tiles)Deals 130% damage to 1 column.
Chain Combo (9 tiles)Deals 130% damage to 3 columns.
Chain Combo (13 tiles)Deals 140% damage to 3 columns.

Gronru is a converter that’s quite straightforward in terms of getting yellow tiles. Once you’re able to use her active skill, she’ll be able to convert the nearest blue and red tiles. Since the cooldown is just 2 preemptive rounds, you should be able to get yellow tiles in no time.

Once you’re able to chain enough yellow tiles as well, you can provide supplementary damage to specific columns. As long as you’re able to chain up to 9 tiles above, you can damage 3 columns. Her damage modifiers aren’t that high though, so you will want to bring other DPS characters.


Equipment SkillGrants 1 Magnetic Storm per 3 rounds at the start of the battle. The next Chain Combo deals an additional 50% damage to 1 enemy within the area of attack and inflicts Paralysis. Has a 50% chance to attack another enemy.

Gronru’s chain combos will improve once you’re able to get her equipment skill. With the Magnetic Storm support, she’ll be able to increase her damage output slightly, but you’re actually after the paralysis effect since this can cripple a round for opponents.

Since Gronru is a converter, she’ll be able to provide better path options for a Thunder team. Bring other Thunder Aurorians that gain benefits from longer chain tiles. If you also bring another converter, then you’ll be able to get more chances of chaining skills.

Breakthrough Bonuses

Breakthrough 1HP increased by 300.
Breakthrough 2DEF increased by 40.
Breakthrough 3Active Skill Enhancement: If the skill was ready in the last round, increases the tile-converting count by 1 in this round.
Breakthrough 4Increased by 300+5% Basic max HP.
Breakthrough 5Increased by 40+5% Basic DEF.
Breakthrough 6Active Skill Enhancement: Increases tile-converting count by 1.

Maximizing Gronru’s breakthrough levels will help improve in her role as a converter. If you weren’t able to use her conversion skill on a specific round, she’ll be able to convert more tiles on the next attempt. Her final enhancement also increases the tile converting count by 1 which provides you with more chain combo possibilities.

If you have other Thunder Aurorians that can benefit from chain skills, then having Gronru is a good match for a mono team. Provide her with Detonators and Snipers, and she’ll be able to provide a lot for the damage possibilities.

We hope that this page has helped you learn more about Gronru in Alchemy Stars. We also have other pages regarding the other 6-Star units in this game, so please don’t forget to check them out. You can also check our Alchemy Stars Tier list to see which units can be useful when creating your team.

You can check our game’s guide menu as well to see more pages that we have in store for you. If you still have any other questions or concerns, head over to our Answers Page. You can also leave us a comment down below, we’d love to hear from you!

Anj, Staff Writer

AnjAnj, also known as 'Aryafortis' enjoys games from Nintendo consoles, as well as other genres that you can find on Steam, and on Mobile.

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