Mortal Kombat Onslaught – Ultimate Beginners’ Game Guide, Tips & Tricks

Mortal Kombat Onslaught Feature Image

Mortal Kombat fans are having the time of their lives with Mortal Kombat 1 out on PC and consoles and Mortal Kombat Onslaught out on smartphones. Onslaught just left early access and is now available on Android and iOS devices worldwide.

Onslaught isn’t a fighting game, though. Instead, it’s a strategy action RPG. If you think you have what it takes to Konquer, then read on. This Mortal Kombat Onslaught beginners’ guide will help you start your journey.

If you’re wondering where Mortal Kombat Onslaught takes place in the overall timeline, it doesn’t take place in Liu Kang’s new timeline. Instead, it takes place in the old timeline during the invasion of Shinnok. So, sometime in Mortal Kombat 4 or the rebooted Mortal Kombat X.

This can be confusing because the outfits and visuals of the characters are from Mortal Kombat 11. The decision to make them look like that probably stemmed from when the game was still in early access. The Mortal Kombat 11 look was the freshest and what most people would recognize at the time.

Gameplay – TMNT, But Automated

Mortal Kombat Onslaught Gameplay
Mortal Kombat Onslaught gameplay – Image Source: NetherRealm Studios

Mortal Kombat Onslaught is what you get if you mix Teenage Mutant Ninja Turtles: Shredder’s Revenge’s combat with certain D&D video games like Baldur’s Gate 2 and Dragonheir Silent Gods. As soon as the battle starts, your fighters will rush towards the enemy. Depending on the level and mode, there may be multiple waves of enemies you’d have to wreck through.

You do not get to control your fighters during combat except for triggering their abilities. If you want to go fully hands-off, you can automate the usage of abilities as well.

Unlike other games of this nature, your characters won’t just attack the closest opponent. Mortal Kombat Onslaught uses a fighter’s class to determine attack priorities. Character classes will be discussed more in-depth down below.

Other than abilities and character positioning, the things you’d have to concentrate on as the player are behind the scenes. Leveling up and upgrading your fighters, choosing which ones to send, and which equipment to use. These are your tools to achieve greatness.

Mortal Kombat Onslaught Game Modes
Game Modes – Image Source: NetherRealm Studios

There are four game modes, but they all essentially play the same; you just get different rewards from each.

Mortal Kombat Onslaught Affinity & Class Guide

Each fighter in Mortal Kombat Onslaught possesses an affinity and class. Choosing the fighter with the right affinity and class will give you the edge in battle. Learn all about character affinities and classes below.


There are three affinities: Mind, Body, and Spirit. Think of affinities as Mortal Kombat Onslaught’s version of Pokémon elements. Each affinity is strong against one but weak against another. Here’s how the three affinities are balanced.

  • Mind characters are strong against Body characters but weak against Spirit characters.
  • Body characters are strong against Spirit characters but weak against Mind characters.
  • Spirit characters are strong against Mind characters but weak against Body characters.

But what does it mean to be strong/weak against a character? If your combatant has an affinity advantage against an opponent here’s what they get:

  • Critical Chance +15%
  • Critical Damage +30%
  • Mastery +15% (Mastery is the chance to apply an ability/status effect)
  • Damage +20%

So, if you find yourself struggling in a battle, try to replace your fighters with characters with an affinity advantage. Don’t just place them wherever you want to though. Wrong positioning could lead to your fighters not fighting the enemies you want.

If you want to master positioning, then you’d have to learn about classes.


As mentioned above, classes determine which characters will attack which. There are six character classes. Here’s what they all do.

Assassin – Instead of fighting the first enemy in sight, Assassins will try to go behind enemy lines and attack high-priority targets first. They generally have high attack, but low health.
Attacker – Attackers are long-range fighters. They deal big damage but are not great at defense. Keep them at the back of your formation. Attackers will fire at the closest enemy unless there are Defenders that draw their fire.
Defender – As the name implies, Defenders are the tanks of the game. They are incredibly durable characters that will draw attention from your other characters. Really useful if you have glass cannons. They will attack the closest enemy.
Sniper – Similar to Attackers, Snipers excel at long-range combat but are very fragile. The difference is that they prefer targeting distant high-priority targets, similar to Assassins. Snipers are especially keen on attacking targets directly across from where you position them.
Support – Support characters use different skills to apply buffs, debuffs, or healing. They may not be as soft as some other characters, but it’s still best to place them at the back of your formation. Support characters also attack long-range and behave similarly to Attackers.
Warrior – Warriors are your main frontline fighters. They’re not as tough as Defenders, but they deal significantly more damage. Warriors will attack the closest enemy unless an enemy Defender draws their fire.

Mortal kombat Onslaught Summoning Guide

Mortal Kombat Onslaught Summoning
Summoning fighters – Image Source: NetherRealm Studios

Apart from playing through the main story, summoning is how you get more fighters in Mortal Kombat Onslaught.

To summon, you need Master Orbs or Skull Orbs, depending on what the summoning method requires. There are currently five types of summoning:

  • Feature Fighter Summon (10X Master Orbs per summon) – This summoning method will give you a chance to obtain multiple fighters and one featured 5-star fighter. The chances of pulling the featured fighter is only 1.25% per summon. However, if you use this summoning method 80 times, you are guaranteed one copy of that fighter.

Feature Fighter Summons only last a week at a time. After the week is up, a new Feature Fighter Summon will appear with a different 5-star fighter featured. Beware, if you summoned only 79 times or less before it resets, the count won’t carry over to the next Feature Fighter Summon.

Tip: Only use Feature Fighter Summons when you already have enough to summon 80 times (800X Master Orbs).

  • Apprentice Summon (10X Skull Orbs per summon) – Apprentice Summons have a 50.25% chance of spawning a fighter and a 49.75% chance of spawning a relic.
  • Fighter Summon (25X Skull Orbs per summon) – More expensive than Apprentice Summons, but guarantees that every summon will be a fighter summon. Also, the chances of getting a 5-star fighter are better than with Apprentice Summons.
  • Relic Summon (20X Master Orbs per summon) – A summoning method that will only give you relics. The chances of getting an Epic relic are higher than with Apprentice Summons.
  • Daily Free Summon (Free) – As the name implies, you can use this summoning once a day for free. There is a 50-50 chance of getting a fighter or relic. However, 5-star fighters and Epic relics are not available in Daily Free Summons.

Mortal Kombat Onslaught’s Best Fighters

Mortal Kombat Onslaught Characters
Image Source: NetherRealm Studios

Technically, all the fighters in the game can increase their star level through upgrades, so everyone has the potential to be decent. But there will always be the best of the best. Here are the best characters in their respective classes.

Wind God FujinBodyAssassin
Undying Shao KahnBodyDefender
Shadowmancer Noob SaibotSpiritSupport
Razor Hat Kung LaoMindWarrior

There’s no sure way to get these characters unless they appear as Featured Fighters. So, know that you’ve struck gold if you already have them on your roster.

To get a complete tier list of all the Mortal Kombat Onslaught characters, you can check out Khasino’s list.

Mortal Kombat Onslaught Tips And Tricks

Mortal Kombat Onslaught Scorpion VS Shiva
Image Source: NetherRealm Studios

Take care when positioning fighters

Fighter positioning
Positioning fighters before Kombat Image Source: NetherRealm Studios

As with all these automated D&D-ish games, positioning your fighters well before Kombat is key. High levels and amazing equipment would be pointless if your enemies immediately gang up on your low-defense fighters.

Fortunately, you can always see who you’re fighting beforehand. Always remember that you can also view the next waves in a battle. Just because your team is prepared for the first wave, doesn’t mean they’ll do well overall.

Pick the correct affinities and classes

Another reason you might be losing is that your characters’ affinities and classes put you at a disadvantage. Consider your opponent’s fighters’ affinities and classes and not just your own. Use the affinity and class guide above for reference.

Spend Krystals wisely

One of the most common mistakes a beginner can make is to immediately dump their Krystals on the first thing that appeals to them. Krystals are Mortal Kombat Onslaught’s premium currency. And while there is a way to earn them, through the story, daily quests, rewards, etc., it will never be enough.

Your Krystals are best spent on summoning skulls. You can use them on fighter XP and Koins, but only do so if you’ve hit a wall and really need it.

Invest in gears and relics

Gear is incredibly important in this game. Don’t forget to upgrade your gear and use complete sets. If you keep leveling them up, they will give your characters outrageous stat buffs. Always aim to equip fighters with full sets of items (i.e. Health sets, Damage sets) to maximize their potential.

The best way to farm gear is through boss towers. Certain boss towers will drop equipment like there’s no tomorrow, so be sure to keep on repeating them.

Mortal Kombat Onslaught Gong
The Gong of Prosperity in the bottom-center of your screen Image Source: NetherRealm Studios

Another way to get gear is through the Gong of Prosperity. The Gong of Prosperity is basically a chest that automatically refills itself. Once full, you can usually get a couple of equipment pieces from it. You can open your Gong on the main screen of the game.

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