• Log InLog In
  • Register
Liquid`
Team Liquid Liquipedia
EDT 02:07
CEST 08:07
KST 15:07
  • Home
  • Forum
  • Calendar
  • Streams
  • Liquipedia
  • Features
  • Store
  • EPT
  • TL+
  • StarCraft 2
  • Brood War
  • Smash
  • Heroes
  • Counter-Strike
  • Overwatch
  • Liquibet
  • Fantasy StarCraft
  • TLPD
  • StarCraft 2
  • Brood War
  • Blogs
Forum Sidebar
Events/Features
News
Featured News
[ASL22] Finals Preview: Sweet Victory!9[ASL22] Ro4 Preview: Mirror Mirror6[ASL22] Ro8 Preview: Within Reach5[ASL22] Ro8 Preview: In A Tizzy11[ASL22] Ro16 Preview: Holy Diver5
Community News
[$1250] International ShieldBattery League14Weekly Cups (October 5-11): Farewell to 5.0.162Rollback Netcode in Brood War1165.0.17 Patch Notes - October 7, 202624Weekly Cups Results (Sep 28-Oct 4)0
StarCraft 2
General
SCII needs to put more weight on strategy and tact Server Blocker How do you feel about the mass reverts in the 5.0.17 PTR? Team Liquid Map Contest #22: Results and Winners Stellar Fest 2 Replay Pack
Tourneys
Sparkling Tuna Cup - Weekly Open Tournament Master Swan Open (Global Bronze-Master 2) $3,500 WardiTV Not-Summer Championship Stellar Fest TWO the Moon (Dec 16-20) ISSL (IntoTheTV x SOOP SC2 League): Premier
Strategy
[H] ZvP Mid-Late Game: Stalkers Collossi HT
Custom Maps
[G] How to playtest arcade maps [A] Nemrods 1/4 players [M] (2) Sweltering Sands [M] (2) Frigid Storage
External Content
The PondCast: SC2 News & Results Mutation # 547 Temple Of Terror Mutation # 546 Catch the Train Mutation # 545 And Drops and Rifts
Brood War
General
[Recap] Hive ZvZ in MonstarZ vs Dreams [ASL22] Finals Preview: Sweet Victory! Rollback Netcode in Brood War [Megathread] Daily Funny Videos Bot on ladder
Tourneys
[ASL22] Grand Finals [$1250] International ShieldBattery League 2v2v2v2 Tournament Small VOD Thread 2.0
Strategy
Cliff Jump Revisited (1 in a 1000 strategy) Simple Questions, Simple Answers Replay Review Process - What do you do?
Other Games
General Games
Stormgate/Frost Giant Megathread Nintendo Switch Thread Dawn of War IV General RTS Discussion Thread Warcraft III: The Frozen Throne
Dota 2
Dota 2 Champions League Season 3 Begins April 25!
League of Legends
[TL LoL EUW IHs] Teemo shall perish
Heroes of the Storm
Heroes of the Storm 2.0
Hearthstone
Deck construction bug
TL Mafia
TL Mafia Community Thread
Community
General
US Politics Mega-thread Russo-Ukrainian War Thread Artificial Intelligence Thread The Chess Thread Things Aren’t Peaceful in Palestine
Fan Clubs
Serral Fan Club
Media & Entertainment
[Manga] One Piece Movie Discussion! Diablo Animated Series on Netflix
Sports
MLB/Baseball 2023 Football (Soccer) Thread TeamLiquid Health and Fitness Initiative For 2023
World Cup 2022
Tech Support
Computer Build, Upgrade & Buying Resource Thread
TL Community
Recent Gifted Posts
Blogs
The Link Between Gaming and …
TrAiDoS
[ASL22] Ro4 Day1 Ticket Giv…
bITt.mAN
38 yo Retired SWE loo…
PurE)Rabbit-SF
Can Bots Beat Pros?? Starcr…
namkraft
[meme] I finally understa…
LUCKY_NOOB
Customize Sidebar...

Website Feedback

Closed Threads



Active: 9347 users

Manipulating Scarabs

Forum Index > Brood War Strategy
Post a Reply
MeSaber
Profile Joined December 2009
Sweden1235 Posts
Last Edited: 2022-03-28 17:29:55
March 28 2022 17:22 GMT
#1
When people say scarabs 'dud' what actually happens is that you are unknowingly manipulating scarabs when you move the target. I have mentioned this in some other thread but i wanted to showcase (again) what you can do to be safe from scarabs, also what you can do to help scarabs hit the target.

Examples of scarab not finding the path because of a moving target (red probe): [Replay]
[image loading] [image loading] [image loading]

What you can see on the most right image; moving objects (teal probe) blocking a scarab is way more abrupting to scarab pathfinding than static objects.

This is why most of the time when you aim a scarab at a center worker to get maximum damage; when your opponent moves all workers at once it will 'dud'. You dont necessarily have to go away from the scarab either. Some luck can play a role where it have the opportunity to go straight through all blocking probes or if the probes blocking stops, giving scarab pathfinding an easier time to navigate.

As seen on the images, static objects gets a try on pathfinding (red arrows) while moving objects blocking the path do not. Most likely because it never gets the time to pathfind around the blocking object as it keeps moving away from the scarab, resetting pathfinding algorithm.



So how do you actually get the most damage out of scarabs?

As seen in the image below, you can see the reaver can shoot through minerals if you drop it close enough to mineral line. This i would argue is the safest option to keep reaver both alive and do damage to whatever stack of workers you want to attack (as the scarab will jump through all minerals straight to target).

Next is the Green square which serves as the perfect position to get workers cornered. They have nowhere to go resulting in lost workers and hopefully many if aimed correctly (aim at a worker that isnt already blocked by another unit).

As the defender you have four options if a reaver comes:
1. Do nothing, let probes die until reaver is dead.
2. If reaver drops at the Green square you pull probes to gas and then to center map to keep them as unstacked as possible.
3. Flee to base as thats a long distance and you wont need to micromanage them anymore after that, probes will die as you will go straight through reaver (Green square).
4. Keep probes unstacked by going to Center map (yellow lines upwards)

I would say option 4 (yellow lines) is best because it will makes workers unstacked the quickest and starts moving asap. If reaver aims incorrectly (at a worker followed by another worker) it will most certainly 'dud'. Least workers will be killed.

[Replay]
[image loading]

And the scenario if reaver is too far from minerals: (green static target / blue moving target) [Replay]
[image loading]

I encourage you (who uses reaver a lot) to study your own games where you use reaver and see if you can apply this information somewhere to un-'dud' your games.

Maybe sometime in the future; all games becomes un-dud:ed. That would be really cool to see.

I guess thats all i had to say for now. Thank you for reading.
-.-
limbhaze
Profile Joined March 2022
2 Posts
March 29 2022 13:17 GMT
#2
--- Nuked ---
EndingLife
Profile Blog Joined December 2002
United States1605 Posts
March 29 2022 13:29 GMT
#3
Real good stuff. Sick post!
imBLIND
Profile Blog Joined December 2006
United States2626 Posts
April 01 2022 05:52 GMT
#4
I've always wondered if some kind of science existed for reaver scarabs. Is there a way to take this knowledge even further? The game that comes to mind is Flash vs Rush ASL10, where Flash's rando-toss reaver got 16 kills with extremely surprising hits. Even some pros were shocked. Is this luck, or is it possible Flash knows something that we don't?

im deaf
MeSaber
Profile Joined December 2009
Sweden1235 Posts
Last Edited: 2022-04-02 05:49:29
April 01 2022 06:53 GMT
#5
As i mentioned in the post above, a moving target makes scarab use another form of engagement, more like "predicted movement" where it estimates where SCV will be in time, trying to intercept it in its way, thats what happening on the first shot that passes all SCVs, as they are following a predefined pathfinding which is made at map making. So the prediction says SCV will move to the left so it passes all SCV on its left side, not getting blocked by SCVs behind the target.

This then damages a lot of SCVs as scarabs have splash damage and SCVs good enough HP to survive even the 50% splash radius. This is why you rarely see many SCVs die because you have to hit em in the smallest radius that does 100% dmg.

Second shot in main also damages some SCVs.

Third shot, most SCVs are already damaged to the point they will die of scarabs outer splash radius which does 25% (Maybe its the 50%, else all SCVs would be dead).

Reaver splash: (Rightclick image - Open image in new TAB for full size) Wiki: (Wiki)Splash Damage
[image loading]


Compared to Siege Tank splash:
[image loading]

-.-
AleXoundOS
Profile Joined January 2011
Georgia458 Posts
April 05 2022 15:49 GMT
#6
Thank you for the in-depth explanation.
https://bwapi.github.io - An API for interacting with Starcraft: Broodwar (1.16.1)
MineraIs
Profile Joined September 2020
United States846 Posts
Last Edited: 2022-04-07 20:40:03
April 07 2022 20:39 GMT
#7
Every situation will be different with reavers because of the pathing regions being different.
✯ [ twitch.tv/MrMineraIs ] ✯ [ Check out my Maps: https://tl.net/forum/brood-war/612442-official-maps-by-minerals ] ✯
MeSaber
Profile Joined December 2009
Sweden1235 Posts
Last Edited: 2022-04-09 06:45:40
April 08 2022 04:55 GMT
#8
On April 08 2022 05:39 MineraIs wrote:
Every situation will be different with reavers because of the pathing regions being different.


I dont think Scarabs follow those regions. The Reaver does to determine if it can shoot or not. Once the Scarab is out, it SEEMS like it doesnt follow any region paths.

I could test this further of course but for now my conclusion is it doesnt use those paths (as mentioned in the post how they differ from worker pathing).

Edit: It could likely be that region paths are used until the target is moving, then it goes for some own path prediction.
-.-
Please log in or register to reply.
Live Events Refresh
Afreeca Starleague
15:00
Finals
Rush vs Soulkey
StarCastTV_EN161
Liquipedia
[ Submit Event ]
Live Streams
Refresh
StarCraft: Brood War
Rain 3394
Calm 2817
Bisu 2557
BeSt 362
Jaedong 329
EffOrt 305
Stork 192
FanTaSy 164
ZergMaN 144
ZerO 109
[ Show more ]
Hyun 75
Mind 58
Sexy 51
Barracks 34
Terrorterran 31
ToSsGirL 20
JYJ 20
SilentControl 18
Sharp 15
Noble 14
sorry 11
scan(afreeca) 9
Dota 2
NeuroSwarm259
Other Games
summit1g6529
WinterStarcraft566
C9.Mang0274
Livibee187
RuFF_SC2123
Liquid`Ken17
Dewaltoss8
Organizations
StarCraft: Brood War
Afreeca ASL 7455
Other Games
gamesdonequick570
StarCraft: Brood War
UltimateBattle 104
[ Show 11 non-featured ]
StarCraft 2
• practicex 51
• Nickrosys13
• AfreecaTV YouTube
• intothetv
• Kozan
• IndyKCrew
• Migwel
StarCraft: Brood War
• BSLYoutube
• STPLYoutube
• ZZZeroYoutube
Other Games
• Shiphtur679
Upcoming Events
CranKy Ducklings
3h 53m
WardiTV Invitational
4h 53m
AI Arena Tournament
9h 53m
BSL Open Qualifier
12h 53m
Sparkling Tuna Cup
1d 3h
OSC
1d 6h
IPSL
1d 9h
BSL Open Qualifier
1d 12h
WardiTV Weekly
2 days
IntoTheTV X SOOP
3 days
[ Show More ]
PiGosaur Cup
3 days
The PondCast
4 days
Kung Fu Cup
4 days
IntoTheTV X SOOP
5 days
Liquipedia Results

Completed

Super Anchor Qualifying S3
Blizzard Classic Cup 2026
Copium Cup

Ongoing

ASL Season 22
Acropolis #5
KCM Race Survival 2026 Season 4
Acropolis #5 - GSC
HCC Season 3
Thunderpick World Champ. '26
ESL Pro League Season 24
Stake Ranked Episode 4
1win Private Club #1
Logitech G Play Connect 2026
SL StarSeries Fall 2026
FISSURE Playground #3
BLAST Open Fall 2026
Esports World Cup 2026

Upcoming

BSL Season 23
SC4ALL II: Brood War
BSL 23: Non-Korean Championship
HSC XXX
Stellar Fest 2: Lunar Cup
SC4ALL II: StarCraft II
Kung Fu Cup 2026 Grand Finals
RSL Offline Finals
eXTREMESLAND 2026
PGL Major Singapore 2026
Stake Ranked Episode 6
BLAST Rivals Fall 2026
IEM Beijing 2026
Stake Ranked Episode 5
PGL Masters Bucharest 2026
eXTREMESLAND '26: SEA 4th Place
1win Private Club #2
TLPD

1. ByuN
2. TY
3. Dark
4. Solar
5. Stats
6. Nerchio
7. sOs
8. soO
9. INnoVation
10. Elazer
1. Rain
2. Flash
3. EffOrt
4. Last
5. Bisu
6. Soulkey
7. Mini
8. Sharp
Sidebar Settings...

Advertising | Privacy Policy | Terms Of Use | Contact Us

Original banner artwork: Jim Warren
The contents of this webpage are copyright © 2026 TLnet. All Rights Reserved.