Mo & Krill build guide
by PreNutPerplexityVersion 151Updated Sep 29, 2026Guide #359530
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PreNutPerplexity's Secondary Build. This build is suitable for early roaming and constant fighting, without being reliant on Combo. Your engagements should be about surviving as long as possible and stacking Scorn as much as you can especially while burrowed. Often live on Twitch.tv/pnperplexity Feel free to auto-queue build and it will auto buy non-optional items.
1Early Stuff
Author's category · 9 items · Follow and/or Subscribe at twitch.tv/pnperplexity
Mystic Burst
Also adds hundreds of healing to each Scorn, but only when Scorn has 2 upgrades. Your second sold item if you need slots
Quicksilver Reload
Adds hundreds of healing to each Scorn. Rush this before Monster Rounds if you are healthy enough to save. Start trying to Scorn the enemies as much as possible.
Sprint Boots
Upgrade this to Enduring Speed earlier if vs certain characters with lots of slows, such as Kelvin.
2Early Optionaloptional
Author's category · 2 items
Rebuttal
Pretty much a guaranteed kill if you parry bait someone, but will only work once per person at most. Beyond that, melee resist feels very good since the burrow nerf.
Rusted Barrel
Vs double M1 lanes this is pretty good. They keep buffing it. IT HAS TO BE GOOD EVENTUALLY
3Core Stuff
Author's category · 10 items · Left to Right, Scorn should be at 165 when you buy Tankbuster
Superior Cooldown
Built from Compress Cooldown
Great item, lowers all ability cooldowns. You should have this around the time you max Scorn for a huge spike.
Radiant Regeneration
Built from Mystic Regeneration
Torment Pulse
4Late Game Common Optionsoptional
Author's category · 11 items
Dispel Magic
Sometimes a very necessary item if the enemy has mulitple heros that are applying non-ultimate debuffs, like Infernus, Mirage, and Haze. Gonna be needed vs knife Shiv this patch
Phantom Strike
A good item to buy the enemies are playing outside of Warp Stone+Dash Range constantly
Spirit Resilience
5Less Common Late Game Optionsoptional
Author's category · 11 items · Left to right, more common to less common
Veil Walker
Can go invis for sneaky combo's, also has very good healing uptime with Transcendent Cooldown. You can rush this before the other 3.2k soul items if you are roaming around
Ethereal Shift
Really really good vs late game team fight ults
Spiritual Overflow
6Less Common Early-Midgame itemsoptional
Author's category · 10 items · Left to right, more common to less common
Spirit Sap
Reactive Barrier
Can be a life saver vs quick stuns such as Abrams Charge, not incredibly needed vs Bebop since you can use burrow after being hooked anyways
Healing Booster
Similar in value to Quicksilver Reload, but less damage and less healing depending on how much Anti-heal is on you
Categories appear in the author's order. Only the editor's default Early, Mid and Late sections are marked as game stages; the author's own categories keep their names. “Built from” links come from the game's item recipes.
ScornScorn | Scorn: Ability unlocked, step 1 | Scorn: 1 AP upgrade, step 2 | Scorn: 2 AP upgrade, step 5 |
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Trophy Collector
Built from Sprint Boots
Cold Front
Mystic Regeneration
Healbane
Return Fire
The cost of this item is a bait, this is a mid-late game counter item for a team of 3+ M1 carries.
Compress Cooldown
Since you are buying Superior CD next, might as well put this on the ability you will use the most in between.
Duration Extender
If your ult is on a long CD, it may be better to imbue Burrow for immediate value.
Scourge
Superior Duration
Built from Duration Extender
Great item that synergyzes with Burrow, Combo and Scourge. This is a Defensive and Offensive Spike.
Tankbuster
Built from Mystic Burst
After buying this, check the Scorn tooltip damage. If it is less than 165, delay Tankbuster
Transcendent Cooldown
Built from Superior Cooldown
You can delay this for after Juggernaut/Scourge if you didn't buy Torment Pulse
Arctic Blast
Built from Cold Front
Use before Combo if the enemy has Indomitable
Warp Stone
This is Mo's best movement item in my opinion. You can use warp stone while burrowed to get on top of 1-story buildings and ridges. This expands Mo's getaway angles exponentially.
This is a very neccessary item almost every game because Mo is pretty vulnerable to spirit damage. Buy when needed, can be bought at any point in the game/build.
Colossus
Witchmail
Good into Victor, Infernus, etc.
Juggernaut
Feels like an every game item right now tbh
Metal Skin
Very very strong into fed M1 carries, insane uptime with Sup. Duration and Trans. Cooldown when alternated with Burrow.
Debuff Reducer
Spellbreaker
Built from Debuff Reducer
Plated Armor
Unstoppable
Built from Debuff Reducer
Divine Barrier
Counter item to build versus Pocket and Wraith, but generally a good item even without a specific counter
Escalating Exposure
Gives damage to whole team, and a little resist.
Silence Wave
An alternative to Arctic Blast if you'd like it instead
Echo Shard
Can imbue either Scorn or Burrow depending on enemy team comp. Imbue Scorn if you are surviving fights for a long time, imbue burrow if you are getting pulled out of burrow or dying quickly out of it
Bullet Resilience
Buy when needed, can buy at any point in the game. Generally bullet resist is less needed than spirit resist because of burrow. But if you are getting pulled out of burrow consistently may be needed.
Diviner's Kevlar
An item to buy if you are weaker and want your ults to be better. Cheaper, but worse, than getting Unstoppable and Cheat Death
Stamina Mastery
Spirit Burn
Buy this if you are hyper carrying the game
Heroic Aura
Guardian Ward
Buffed item, pretty solid uses.
Fortitude
Still good some games while ahead, allows you to stay on map and continue pressuring. Not great when behind since you are more likely to be close to base anyways
Decay
Newly buffed and does a very large amount of damage, though slowly. It is also the best anti-heal other than Spirit Burn
Knockdown
Very good item versus most heros, but Grey Talon, Lash, and Vindicta especially
Battle Vest
Not a huge fan of Bullet Resist early, but if your burrow cooldown is being abused then this can be a good item to help
Enchanter's Emblem
Another item to help you in lanes where the enemies do tons of spirit damage
BurrowBurrow | Burrow: Ability unlocked, step 4 | Burrow: 1 AP upgrade, step 7 | Burrow: 2 AP upgrade, step 8 | Burrow: 5 AP upgrade, step 9 |
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Sand BlastSand Blast | Sand Blast: Ability unlocked, step 3 | Sand Blast: 1 AP upgrade, step 10 | Sand Blast: 2 AP upgrade, step 11 | Sand Blast: 5 AP upgrade, step 15 |
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ComboCombo | Combo: Ability unlocked, step 6 | Combo: 1 AP upgrade, step 12 | Combo: 2 AP upgrade, step 13 | Combo: 5 AP upgrade, step 14 |
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Unlock1 / 2 / 5 AP upgrade costOrder only; no timings
Current patch: the Oct 5, 2026 update, Oct 5, 2026, 11:05 PM UTC to today · ranked and unranked · all match average ranks
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