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Geo sea / Legion / Economy first / OBSERVED BUILD

Standard geo sea

Baseline cove-side sea play: bot lab then shipyard in the cove around 3:06, first Syracusia by 5:04, geothermal on time around 7:42 and an Advanced Metal Extractor to build up eco, transitioning into more Syracusia and Argonaut over the…

Usually shipyard in the cove (95%) · geo on time (90%)

#naval #eco · 20 distinct matches · 10 players · 40% of Legion Geo sea games · team won 45% of 20 · Recently observed

HOW TO PLAY IT

Key timing: First Syracusia by 5:18

  1. Take 3 mex and open into wind while starting the bot lab.
  2. Rush the bot lab finish for early defense on the coast.
  3. Get the shipyard up to start frigate production.
  4. Push the first Syracusia frigate out for sea control.
  5. Layer geothermal and advanced mex, then keep feeding the Syracusia navy.

Phase by phase

TYPICAL OF ITS 20 GAMES · AGAINST STANDARD GEO SEA
  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
    Order
    1. Legion Bot LabLegion Bot Lab after 3 mexdone ~1:07, middle half 1:04–1:13

    Some games also: wind (50%) · solar (45%) · wind for allies (30%)

    The standard build makes here, this one skips: 3 wind

    By 0:50 in all: 3 mex

    The example game in this phase · 3 steps
    1. Mex ×3
    2. Solar ×2
    3. Legion Bot LabLegion Bot Labdone 1:07 · typical 1:07
  2. 2

    Legion Bot Lab to Shipyard

    Economy
    • Metal Extractor1Mex
    Order
    1. ShipyardShipyard after 4 mex, 4 wind, 1 solardone ~3:06, middle half 2:36–3:52
    Builders
    • Zagreus3 Zagreus
    • Legion Construction Bot3 Legion Construction Bot

    Some games also: wind (50%) · con turret (40%) · Goblin (35%) · energy storage (30%) · Toxotai (30%)

    The standard build makes here, this one skips: 3 wind · 2 Toxotai

    By 2:38 in all: 4 mex · 4 wind · 1 solar

    The example game in this phase · 4 steps
    1. ZagreusZagreus
    2. Legion Construction BotLegion Construction Bot ×3
    3. ZagreusZagreus
    4. ShipyardShipyarddone 2:30 · typical 3:06
  3. 3

    Shipyard to 5:00

    Economy
    • Metal Extractor4Mex
    • Wind Turbine2Wind
    Builders
    • Construction Ship1 Con ship
    Army
    • Pharos1 Pharos
    • Argonaut2 Argonaut
    • Syracusia1 Syracusia

    Some games also: converter (50%) · con turret (45%) · Radar Tower (45%) · Legion Drone (40%) · Hippocampus (40%)

    The standard build makes here, this one skips: 2 converter · 2 Radar Tower

    By 5:00 in all: 8 mex · 4 wind (standard 9) · 1 solar · 1 energy storage · 1 con turret

    The example game in this phase · 21 steps
    1. Legion Construction BotLegion Construction Bot
    2. Mex
    3. ZagreusZagreus
    4. PhobosPhobos ×2
    5. Construction ShipCon ship
    6. Mex
    7. ArgonautArgonaut
    8. Mex
    9. Wind ×2
    10. Mex ×2
    11. Wind
    12. Con turret
    13. ArgonautArgonaut
    14. Mex
    15. ZagreusZagreus
    16. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    17. PharosPharos ×2
    18. Tidal
    19. SthenoStheno
    20. Tidal
    21. PharosPharos
  4. 4

    5:00 to 10:00

    Economy
    • Metal Extractor1Mex−2 vs standard
    • Wind Turbine15Wind+4 vs standard
    • Energy Converter3Converter+3 vs standard
    • Energy Storage1Energy storage
    Order
    1. Geothermal PowerplantGeo after 9 mex, 10 wind, 3 converter
    Builders
    • Construction Turret2 Con turret
    • Dionysus1 Dionysus
    Army
    • Pharos1 Pharos −3 vs standard
    • Legion Drone10 Legion Drone

    Some games also: con ship (45%) · Stheno (30%) · Hippocampus (30%)

    The standard build makes here, this one skips: 2 Bramble

    By 10:00 in all: 9 mex · 19 wind · 1 solar · 1 geo · 5 converter · 1 energy storage

    The example game in this phase · 109 steps
    1. Tidal
    2. Radar TowerRadar Tower
    3. ArgonautArgonaut
    4. PharosPharos
    5. ArgonautArgonaut
    6. PharosPharos
    7. Wind
    8. PharosPharos
    9. SthenoStheno
    10. DionysusDionysus
    11. Wind ×3
    12. ArgonautArgonaut
    13. Wind ×3
    14. IapetusIapetus
    15. Wind
    16. Geothermal PowerplantGeodone 7:33 · typical 7:51
    17. SyracusiaSyracusiadone 7:58 · typical 5:06
    18. Wind ×4
    19. PharosPharos
    20. Converter
    21. Wind
    22. Advanced Metal ExtractorT2 mexdone 9:53
    23. Converter
    24. Legion DroneLegion Drone
    25. SyracusiaSyracusia
    26. Wind
    27. Converter
    28. Legion DroneLegion Drone
    29. Converter
    30. Con turret
    31. Radar TowerRadar Tower
    32. Converter
    33. SkaterSkater
    34. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    35. Converter
    36. Energy storage
    37. Legion DroneLegion Drone
    38. SyracusiaSyracusia
    39. Wind
    40. Legion DroneLegion Drone ×2
    41. Tidal
    42. Wind
    43. Advanced Metal ExtractorT2 mex
    44. Legion DroneLegion Drone
    45. Wind
    46. Legion DroneLegion Drone
    47. DionysusDionysus
    48. Wind
    49. Advanced Metal ExtractorT2 mex
    50. Legion DroneLegion Drone
    51. Mex
    52. DionysusDionysus
    53. Legion DroneLegion Drone
    54. Wind
    55. DionysusDionysus
    56. Wind
    57. Advanced Metal ExtractorT2 mex
    58. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    59. SyracusiaSyracusia
    60. Legion DroneLegion Drone
    61. Wind
    62. Legion DroneLegion Drone ×2
    63. Wind
    64. Legion DroneLegion Drone
    65. SyracusiaSyracusia
    66. Wind
    67. Advanced Metal ExtractorT2 mex
    68. Wind
    69. Legion DroneLegion Drone
    70. Wind
    71. Legion DroneLegion Drone ×2
    72. Wind
    73. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    74. Wind
    75. Legion DroneLegion Drone ×2
    76. SyracusiaSyracusia
    77. Wind
    78. Legion DroneLegion Drone
    79. Advanced Metal ExtractorT2 mex
    80. Legion DroneLegion Drone ×4
    81. Con turret
    82. KeteaSubmarine
    83. Legion DroneLegion Drone
    84. Naval Radar / Sonar TowerNaval Radar / Sonar Tower
    85. Legion DroneLegion Drone ×3
    86. KeteaSubmarine
    87. Con turret
    88. Advanced Geothermal PowerplantAdvanced Geothermal Powerplantnot finished by 15:00
    89. KeteaSubmarine
    90. Legion DroneLegion Drone
    91. KeteaSubmarine ×2
    92. Legion DroneLegion Drone ×2
    93. KeteaSubmarine
    94. Legion DroneLegion Drone
    95. Construction ShipCon ship
    96. SyracusiaSyracusia
    97. Legion DroneLegion Drone ×3
    98. SkaterSkater
    99. SyracusiaSyracusia
    100. Legion DroneLegion Drone ×4
    101. SyracusiaSyracusia
    102. Legion DroneLegion Drone ×4
    103. Advanced ShipyardAdvanced Shipyardnot finished by 15:00
    104. Legion DroneLegion Drone ×4
    105. Shark's TeethShark's Teeth
    106. Legion DroneLegion Drone
    107. DolphinDolphin
    108. Shark's TeethShark's Teeth
    109. Legion DroneLegion Drone

Counts are medians over the build's games: half of them build more, half fewer. The example game is KingBenjai's (44 OS, 30/08/2026); pick another.

Team trades

IN AT LEAST 30% OF ITS GAMES

You hand over

  • Wind Turbine2 Wind to Airfirst at 1:38 · in 60% of games

You get

  • Finch1 Finch from Airfirst at 1:47 · in 45% of games
  • Hercules1 Light transport from Airfirst at 2:10 · in 30% of games
  • Advanced Construction Bot1 T2 con bot from Techfirst at 7:32 · in 70% 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

02k4k
0:005:0010:0015:00

metal

20 games.

Show as table
ByMetal produced: This buildEnemy metal destroyed: This buildOwn metal lost: This build
1:0039700
2:0092800
3:00162100
4:0028335251
5:00399518362
6:005325565124
7:006791603176
8:0082851412345
9:00102131702419
10:00122262348918
11:001452333851656
12:001734337762213
13:002005253902343
14:002349770313351
15:002767597993665
WHAT THE NUMBERS SAY

Standard geo sea sits near an even split on wins while destroying more metal than it loses by 15:00, typical for a contested sea role.

  • + Enemy metal destroyed reaches 7775 by 15:00 against 4863 lost.
  • + Syracusia dominates army composition at 43%, showing a clear naval focus.
  • − Team win rate is only 47%, essentially a coin flip.
  • − T2 factory only completes in 32% of games, so tech transition often stalls.
THE EXAMPLE YOU ARE READING

KingBenjai

44.3 OS · 30/08/2026

Open source match ↗

2 received units · includes a constructor
325 metal received · 64379 energy received

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

Typical milestones

Legion Bot Lab1:07Middle 50%: 1:04–1:13 · n=20
Shipyard3:06Middle 50%: 2:36–3:52 · n=20
Syracusia5:06Middle 50%: 4:36–5:55 · n=20
Geothermal Powerplant7:51Middle 50%: 6:58–10:12 · n=20
Advanced Metal Extractor9:11Middle 50%: 8:42–9:28 · n=13

Played most by

KingBenjai8games of this buildHighlyRegarded2games of this buildPRO_Rerory2games of this buildRysica2games of this buildarmjanus1game of this build