My Party Is Grinding Tier List (September 2026) – Best Classes & Pets

The best class in My Party is Grinding is the Assassin Class (S Tier - Highest Burst DMG and Late Game Scaling) and the best Pets are the Gold Dragon, Red Dragon and Silver Dragon for their highest Boss and Normal Chest Drop bonuses. If you want to know which classes and Pets to pick, check out our complete tier list below ranking all 5 Classes and 16 Pets in My Party Is Grinding.

My Party Is Grinding is a popular idle RPG where your party automatically fights enemies and progresses through different stages while you focus on other things. Moreover, with multiple classes and pets offering unique skills and bonuses, choosing the right ones can make your progression easier. So, to help you make the right choice, here’s a complete My Party is Grinding Tier List ranking all the Heroes and Pets in the game.

What Do the Tier Rankings Mean in My Party is Grinding Class Tier List?

Classes can make a big difference in how smoothly you progress through My Party Is Grinding. This tier list ranks each class based on its damage, survivability, versatility, and overall usefulness in different stages of the game. Here’s what each tier means.

Tier	Meaning	How Many
S	The strongest classes overall with the best skills, providing exceptional performance with no significant weaknesses.	1
A	Highly effective classes with strong skills and good overall performance, but with some limitations compared to S-Tier.	3
B	Decent classes that can perform well in specific situations but have weaknesses or lower overall effectiveness.	1

Which Classes are S Tier in My Party is Grinding?

Class	Why This Tier	Best For
Assassin	+ Assassin deals exceptional single-target damage, making it highly effective against bosses and most late-game enemies. + Several skills deal AoE damage, making it useful for crowd-clearing alongside its boss-killing power. + Can become tankier with the right gear, allowing it to survive longer than expected for a high-damage class.	Boss fights, High-damage builds, Endgame progression

Which Classes are A Tier in My Party is Grinding?

Class	Why This Tier	Best For
Warrior	+ Warrior provides an excellent balance between offensive power and durability, making it a great choice for progression. + Can be transformed into a strong frontline tank with suitable gear while still retaining an offensive skill set. - Performance depends heavily on having an appropriate gear setup to maximize both defense and damage.	Beginners, Balanced builds, Frontline combat
Mage	+ Mage has a wide selection of elemental attacks, allowing you to target specific enemy and boss weaknesses. + Many skills deal AoE damage, making the Mage useful when fighting groups of enemies. - Requires proper build optimization to remain effective in the long run.	Element-based builds, AoE farming, Boss fights
Archer	+ Archer is the best offensive class, as it can deal heavy damage while maintaining a safe distance from enemies.  + Can access different elemental attack options when equipped and built correctly, adding versatility to its ranged playstyle. - Has low HP, which is a significant weakness during tougher and later-stage encounters.	Ranged DPS

Which Classes are B Tier in My Party is Grinding?

Class	Why This Tier	Best For
Knight	+ Knight doesn’t have a complex build path, making it a solid choice for early game progression. + Available without additional unlocking requirements, so you can use him right from the start of your journey. - Defensive performance falls short of what you would expect from a dedicated tank.	Beginners, Early-game progression

What Do the Tier Rankings Mean in Our My Party is Grinding Pet Tier List?

Pets provide useful bonuses that can improve different aspects of your progression. This tier list ranks them based on the value of their bonuses, including EXP Gain, Coin Gain, and chest-drop rates, to help you choose the best pet for your squad. Here’s what each tier ranking means.

Tier	Meaning	How Many
S	The strongest pets overall, provide the most valuable bonuses for boss rewards, chest farming, and late-game progression.	3
A	Strong and useful pets with excellent EXP or Coin Gain bonuses, but with more specialized benefits than S-Tier pets.	5
B	Decent pets that provide useful bonuses but have lower values than the higher-tier options.	5
C	Basic pets with smaller bonuses that are mainly useful during early progression or before better alternatives are available.	3

Which Pets are S Tier in My Party is Grinding?

Pets	Bonuses	Why This Tier	Best For
Gold Dragon	Boss Chest Drop +0.1%	+ Provides the highest Boss Chest Drop bonus at +0.1%, making it extremely valuable for obtaining better rewards. + Remains useful for those pushing harder stages where boss rewards become increasingly important.	Boss farming, Rare loot
Silver Dragon	Boss Chest Drop +0.06%	+ Grants a strong +0.06% Boss Chest Drop bonus, giving it excellent value for late-game progression. + Its passive remains relevant throughout progression because boss chests can provide valuable equipment and resources.	Boss rewards, Gear farming
Red Dragon	Normal Chest Drop +0.06%	+ Provides +0.06% Normal Chest Drop, which can significantly boost your progression. + The drop rate boost makes extended stage farming quite beneficial where normal chests are collected frequently.	Chest farming, General loot

Which Pets are A Tier in My Party is Grinding?

Pets	Bonuses	Why This Tier	Best For
Griffin	Coin Gain +2.5%	+ Gives a +2.5% Coin Gain, which makes it easier to buy classes and upgrade your Orb Circuit. - It does not improve chest rewards, so loot-focused players will prefer a Dragon pet instead.	Coin farming
Allicorn	Coin Gain +2.5%	+ Its +2.5% Coin Gain provides excellent value for those who prioritize steady currency generation. - Its passive offers no direct EXP or chest-drop improvement.	Coin farming
Fenrir	EXP Gain +2.5%	+ Provides a +2.5% EXP Gain, helping you level up your classes more efficiently while grinding stages. - The EXP-focused passive becomes redundant once leveling is not the main progression bottleneck.	EXP farming, Leveling
Phoenix	EXP Gain +2.5%	+ Provides a +2.5% EXP Gain, which helps accelerate progression when repeatedly clearing stages for levels and other upgrades. - Provides no additional bonuses to coins or chest drops, limiting its usefulness for loot-focused builds.	Leveling, EXP Farming
Black Dragon	Coin Gain +2%	+ Provides +2% Coin Gain, which is useful for constantly improving your build by buying upgrades from the Orb Circuit tree. - Its 2% bonus is weaker than the 2.5% Coin Gain provided by Griffin and Allicorn.	Coin farming

Which Pets are B Tier in My Party is Grinding?

Pets	Bonuses	Why This Tier	Best For
Blue Dragon	EXP Gain +2%	+ Provides +2% EXP Gain, making it a useful option for those focused on leveling their priority classes. - Its EXP bonus is lower than the 2.5% provided by Fenrir and Phoenix.	EXP farming, Leveling
Green Dragon	EXP Gain +1.5%	+ Gives +1.5% EXP Gain, providing a useful boost during regular progression. - Its bonus is weaker than the higher-EXP pets available later.	EXP grinding
Bronze Dragon	Coin Gain +1.5%	+ Grants +1.5% Coin Gain, helping improve currency earnings during repeated stage clears. - Its coin bonus falls behind Black Dragon and the 2.5% coin pets.	Early coin farming
Spirit of Earth	Boss Chest Drop +0.04%	+ Provides a +0.04% Boss Chest Drop bonus, which is a useful utility before stronger pets become available. - The bonus is significantly lower than the 0.06%-0.1% provided by the stronger Boss Chest pets.	Early boss farming
Spirit of Wind	Normal Chest Drop +0.04%	+ Grants a +0.04% Normal Chest Drop bonus, making regular stage farming more rewarding. - The bonus is lower than Red Dragon's +0.06% Normal Chest Drop.	Normal chest farming

Which Pets are C Tier in My Party is Grinding?

Pets	Bonuses	Why This Tier	Best For
Flame Spirit	EXP Gain +1%	+ Provides +1% EXP Gain, giving beginners a small boost to early leveling. - Its EXP bonus is weaker than the 1.5%-2.5% options.	Early-game leveling
Spirit of Water	Coin Gain +1%	+ Provides a +1% Coin Gain, which can help with basic early-game progression. - The bonus is low compared with the stronger coin-focused pets.	Early coin farming
Night Dragon	Normal Chest Drop +0.01%	+ Provides a +0.01% Normal Chest Drop bonus, which is of some value for those focused on chest collection. - The chest bonus is much lower than Spirit of Wind and Red Dragon.	Very early chest farming

Frequently Asked Questions (FAQs)

For more on Idle Games, check out TBH: Task Bar Hero Tier List or TBH: Task Bar Hero Beginner’s Guide on Pro Game Guides!