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Knockback Attacks While Riding a Beefalo Can Trigger Double Damage Calculation, Instantly Killing the Mount

Jenny 05 Justic

By Jenny 05 Justic

    • Fixed

 Overview:
While riding a Beefalo, certain creatures' (particularly mid-to-late game high-damage bosses) knockback/launch attacks suffer from a severe damage calculation bug. This bug causes the attack to calculate an additional instance of the raw, unmitigated damage after already applying player damage reduction. As a result, the mounted Beefalo takes more than double the intended damage. This is devastating to game balance and player experience—a high-health Beefalo can be instantly killed by an attack it should normally survive, severely undermining the viability of the mounted playstyle and making encounters with specific bosses unreasonably risky.

 

 

Core Bug Behavior:
Intended Damage = (Physical Damage × Player Damage Reduction) + Planar Damage
Bugged Damage = 【(Physical Damage × Player Damage Reduction) + Planar Damage】 + 【Physical Damage + Planar Damage】

Verified Attacks That Trigger This Bug (Partial List of High-Threat Targets):

  1. Crystal Deerclops

    • Ice Spike Throw: Intended 130, Actual 360 (+177%)
    • Melee Attack: Intended 105, Actual ~286 (+172%)

  2. Armored Bearger

    • Swipe: Intended 117.5, Actual 322.5 (+174%)
    • 2026-01-17114624.png.5bdfbfa4911888a18ad58d2cf475aa23.png

  3. W.A.R.B.O.T.

    • Ground Slam: Intended 180, Actual 410 (+128%)

  4. Celestial Scion

    • Attack: Intended 203.75, Actual 463.75 (+128%)

  5. Scrappy Werepig

    • Laser Blast: Intended 180, Actual 420 (+133%)

Key Observations:

  • The bug is strongly correlated with the "knockback/launch" effect, not all attacks trigger it.
  • Different attacks from the same creature may or may not trigger the bug (e.g., Frostjaw's Charge triggers it, Tail Swipe does not).
  • In multi-hit attacks, only the hit that causes the knockback may trigger it (e.g., Scrappy Werepig's Drill Charge).

Reason for Urgent Fix:
This bug directly targets players' heavily invested, high-stat mount Beefalo, making them abnormally vulnerable against core late-game threats. This completely contradicts the intended design of the mounting system. It severely disrupts combat balance and the expected return on resource investment, constituting a high-priority, game-breaking bug.

Attached: Detailed Test Data Table (Excerpt)
(Full data available in follow-up replies or attachments)

Creature Attack Intended Damage Bugged Actual Damage Increase
Crystal Deerclops Ice Spike Throw 130 360 +177%
Armored Bearger Swipe 117.5 322.5 +174%
W.A.R.B.O.T. Ground Slam 180 410 +128%
Celestial Scion Attack 203.75 463.75 +128%
Ripple Charge 125 325 +160%
Deadly Brightshade Counter 130 260 +100%
Frostjaw Charge 37.5 112.5 +200%
Scrappy Werepig Laser Blast 180 420 +133%

We hope the development team can investigate and fix this issue as soon as possible. Thank you!




PS:
 

"Don't Starve" Riding Beefalo Double-Damage Bug Verification Record 

No. Test Creature Attack Method Damage Composition (Physical + Planar) Physical Damage Reduction vs. Player Normal Damage Actual Test Damage to Beefalo Theoretical Bugged Damage Knockback Triggers Bug? Notes
1 Crystal Deerclops Ice Spear Throw 200 + 30 50% 130 360 360 ✅ Yes Only the attack that causes knockback triggers it
1b Crystal Deerclops Melee Attack 150 + 30 50% 105 ~286 285 ✅ Yes Knockback attack triggers it
2 Ripple Charge 150 + 50 50% 125 325 325 ✅ Yes Knockback attack triggers it
3 Rictus Bite 35 + 20 0% 55 55 110 ❌ No Knockback attack does not trigger it
4 Frostjaw Dash/Leap 75 + 0 50% 37.5 112.5 112.5 ✅ Yes Knockback attack triggers the bug
4b Frostjaw Tail Swipe 75 + 0 50% 37.5 37.5 112.5 ❌ No Knockback attack does not trigger the bug
5 Rasp Swallow 20 + 20 0% 40 40 80 ❌ No Knockback attack does not trigger it
6 Wrathful Rabbit King Flying Kick 75 + 0 0% 75 75 150 ❌ No Knockback attack does not trigger it
7 Deadly Brightshade Retaliation 100 + 30 0% 130 260 260 ✅ Yes Knockback from retaliation triggers it
8 Armored Bearger Swipe 175 + 30 50% 117.5 322.5 322.5 ✅ Yes Knockback attack triggers it
9 W.A.R.B.O.T. Ground Slam 200 + 30 25% 180 410 410 ✅ Yes (Fixed) Knockback attack triggers it
10 Celestial Scion Swipe/Charge 225 + 35 25% 203.75 463.75 463.75 ✅ Yes Knockback attack triggers it
11 Nightmare Werepig Pounce 150 + 0 50% 75 75 225 ❌ No Knockback attack does not trigger it
11b Nightmare Werepig Heavy Slam/Ground Pound 225 + 0 50% 112.5 ~112.5 337.5 ❌ No Knockback attack does not trigger it
12 Boulderbough Circular Attack 200 + 0 75% 50 50 250 ❌ No Knockback attack does not trigger it
13 Boulderbough Flat Attack 100 + 0 75% 25 25 125 ❌ No Knockback attack does not trigger it
14 Scrappy Werepig Pounce 150 + 0 50% 75 75 225 ❌ No Knockback attack does not trigger it
15 Scrappy Werepig Stick Slash 125 + 0 50% 62.5 62.5 187.5 ❌ No Knockback attack does not trigger it
16 Scrappy Werepig Drill Charge (First Hit) 100 + 0 50% 50 50 150 ❌ No Non-knockback hit, normal damage
17 Scrappy Werepig Drill Charge (Second Hit) 100 + 0 50% 50 150 150 ✅ Yes Only the second, knockback-causing hit triggers the bug
18 Scrappy Werepig Throw Trash Ball 30 + 0 0% 30 30 60 ❌ No Knockback attack does not trigger it
19 Scrappy Werepig Laser Cannon Blast 240 + 0 25% 180 420 420 ✅ Yes Knockback attack triggers it
Steps to Reproduce

  1. Ride a Beefalo.

  2. Get hit by one of the attacks listed in the table.

  3. The Beefalo not only takes the initial hit for the player (as intended), but also receives an additional instance of damage after the player is knocked off.

  • Like 3
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User Feedback


A developer has marked this issue as fixed. This means that the issue has been addressed in the current development build and will likely be in the next update.


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