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Geo sea / Legion / Economy first / OBSERVED BUILD

Standard geo sea

Legion Geo sea build order · Supreme Isthmus

The role's baseline: bot lab reclaimed for metal, shipyard built in the cove, Syracusia and Geothermal Powerplant on normal timing, transitioning into Argonaut and other naval units to contest the sea for the rest of the game.

Usually shipyard in the cove (94%) · geo on time (61%)

#naval #eco · 63 distinct matches · 31 players · 73% of Legion Geo sea games · team won 48% of 64 · Recently observed

HOW TO PLAY IT

Key timing: Shipyard by 3:06

  1. Open with mex and solar, then put down Legion Bot Lab for reclaim.
  2. Build Legion Bot Lab early, planning to eat it for metal.
  3. Build shipyard and reclaim the bot lab into the sea economy.
  4. Eat the Legion Bot Lab at 3:12 to fund early sea units.
  5. Add Syracusia then geothermal, transition into Argonaut-led sea army.

Phase by phase

TYPICAL OF ITS 63 GAMES
  1. 1
  2. 2
  3. 3
  4. 4
PLAY THE OPENING

Follow the example game's first 6:00 step by step: what to build now, what comes next, and where it goes. At 1× it keeps pace with your own game.

  1. 1

    Up to the Legion Bot Lab

    Economy
    • Metal Extractor3Mex
    • Wind Turbine3Wind
    Order
    1. Legion Bot LabLegion Bot Lab after 3 mex, 3 winddone ~1:12, middle half 1:06–1:25

    Some games also: wind for allies (41%)

    By 0:55 in all: 3 mex · 3 wind

    The example game in this phase · 3 steps
    1. Mex ×3
    2. Wind ×4
    3. Legion Bot LabLegion Bot Labdone 1:13 · typical 1:12
  2. 2

    Legion Bot Lab to Shipyard

    Economy
    • Metal Extractor1Mex
    Order
    1. ShipyardShipyard after 4 mex, 4 winddone ~3:11, middle half 2:41–3:34
    Builders
    • Zagreus3 Zagreus
    • Legion Construction Bot3 Legion Construction Bot

    Some games also: wind (48%) · con turret (48%) · Toxotai (38%) · wind for allies (34%) · Goblin (31%)

    By 2:41 in all: 4 mex · 4 wind

    The example game in this phase · 6 steps
    1. Legion Construction BotLegion Construction Bot
    2. ZagreusZagreus
    3. GoblinGoblin ×3
    4. ZagreusZagreus ×3
    5. Legion Construction BotLegion Construction Bot
    6. ShipyardShipyarddone 2:40 · typical 3:11
  3. 3

    Shipyard to 5:00

    Economy
    • Metal Extractor4Mex
    • Wind Turbine2Wind
    Order
    1. Legion Bot LabEat Legion Bot Lab
    Builders
    • Construction Ship1 Con ship
    Army
    • Argonaut2 Argonaut
    • Syracusia1 Syracusia
    Other
    • Radar Tower1 Radar Tower

    Some games also: Pharos (50%) · submarine (41%) · Hippocampus (39%) · converter (36%)

    By 5:00 in all: 8 mex · 6 wind · 1 energy storage · 1 con turret

    The example game in this phase · 17 steps
    1. Legion Construction BotLegion Construction Bot
    2. KeteaSubmarine
    3. Mex
    4. Construction ShipCon ship
    5. Legion Bot LabEat Legion Bot Labreclaimed for its metal
    6. Wind ×2
    7. KeteaSubmarine
    8. Energy storage
    9. Mex
    10. ArgonautArgonaut
    11. OcteresOcteresnot finished by 15:00
    12. Construction ShipCon ship
    13. ArgonautArgonaut
    14. Mex ×2
    15. ArgonautArgonaut
    16. Mex
    17. ArgonautArgonaut
  4. 4

    5:00 to 10:00

    Economy
    • Metal Extractor2Mex
    • Wind Turbine11Wind
    • Energy Converter3Converter
    Order
    1. Geothermal PowerplantGeo after 9 mex, 7 wind, 1 solarin 52% of games
    Builders
    • Construction Turret1 Con turret
    • Dionysus1 Dionysus
    Army
    • Pharos2 Pharos
    • Legion Drone8 Legion Drone
    • Syracusia3 Syracusia
    • Argonaut3 Argonaut

    Some games also: con ship (48%) · Bramble (44%)

    By 10:00 in all: 10 mex · 18 wind · 1 geo · 5 converter · 1 energy storage · 2 con turret

    The example game in this phase · 58 steps
    1. Geothermal PowerplantGeodone 6:51 · typical 7:37
    2. Mex
    3. Naval Construction Turret
    4. OcteresOcteres
    5. Mex
    6. Naval Construction Turret
    7. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    8. Mex
    9. Tidal ×2
    10. Converter
    11. BrambleBramble
    12. Tidal
    13. PharosPharos
    14. ArgonautArgonaut
    15. Converter
    16. Tidal
    17. PharosPharos
    18. Tidal
    19. Converter
    20. Tidal ×2
    21. ArgonautArgonaut
    22. Tidal
    23. Converter
    24. Tidal ×2
    25. ArgonautArgonaut
    26. DionysusDionysus
    27. Tidal
    28. Converter
    29. Tidal
    30. ArgonautArgonaut
    31. Tidal
    32. Converter
    33. Tidal ×2
    34. Converter
    35. ArgonautArgonaut
    36. Tidal ×2
    37. Converter
    38. Tidal
    39. OcteresOcteres
    40. Tidal ×3
    41. Advanced Metal ExtractorT2 mexdone 10:42 · typical 9:19
    42. IapetusIapetus ×2
    43. SyracusiaSyracusiadone 10:26 · typical 5:33
    44. Legion DroneLegion Drone
    45. ArgonautArgonaut
    46. Legion DroneLegion Drone
    47. Advanced Metal ExtractorT2 mex
    48. OcteresOcteres
    49. Advanced Metal ExtractorT2 mex
    50. OcteresOcteres ×2
    51. Radar TowerRadar Tower
    52. PharosPharos
    53. ArgonautArgonaut
    54. Advanced Metal ExtractorT2 mex
    55. OcteresOcteres
    56. PharosPharos ×2
    57. OcteresOcteres ×2
    58. Advanced Metal ExtractorT2 mex

Counts are medians over the build's games: half of them build more, half fewer. The example game is JaplinSeven's (33 OS, 28/09/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine2 Wind to Airfirst at 1:42 · in 70% of games

You get

  • Finch1 Finch from Airfirst at 1:53 · in 59% of games
  • Hercules1 Light transport from Airfirst at 2:05 · in 44% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 7:30 · in 77% of games

How it plays out

Typical game of this build, running totals by minute

Metal produced

010k20k30k
0:005:0010:0015:00

metal

Enemy metal destroyed

05k10k
0:005:0010:0015:00

metal

Own metal lost

02k4k6k
0:005:0010:0015:00

metal

64 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0039500
2:0092800
3:00158400
4:002862020
5:00400714151
6:005382368122
7:006821653308
8:0084481412624
9:001015521361041
10:001222627191356
11:001471838851925
12:001776447562321
13:002035856292976
14:002344265493971
15:002727681574575
WHAT THE NUMBERS SAY

Standard sea opener with heavy early metal from eating the bot lab, but team still won well under half.

  • + Produces far more metal than enemy destroys by 5:00 (3995 vs 183).
  • − Team only won 41% of games despite the strong economy lead.
THE EXAMPLE YOU ARE READING

JaplinSeven

33.0 OS · 28/09/2026

Open source match ↗

3 received units · includes a constructor
27 metal received · 26256 energy received

Allied construction assistance is unknown. Timings are observations, not a promise of solo reproducibility.

Typical milestones

Legion Bot Lab1:12Middle 50%: 1:06–1:25 · n=63
Shipyard3:11Middle 50%: 2:41–3:34 · n=64
Syracusia5:33Middle 50%: 4:59–6:33 · n=64
Geothermal Powerplant7:37Middle 50%: 6:54–9:34 · n=42
Advanced Metal Extractor9:19Middle 50%: 8:35–9:53 · n=47

Played most by

KingBenjai9games of this buildsirniho9games of this buildRysica5games of this buildJesterB4games of this buildQwertylololo4games of this build