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  1. Home
  2. Byzantines
  3. Technologies
  4. Biology
Biology

Cavalry Technology

Biology

Byzantines

Byzantines

Investing in natural sciences increases the health of all cavalry by +25%.

Patch History

2026-04-30 Update 16.1.9737

Byzantines

  • Fixed an issue that granted Mercenary Keshiks, Mercenary Mangudai, and Mercenary Royal Knights more health than intended after aging up with the Foreign Engineering Company and researching Biology.

2024-11-19 Patch 12.1.2454

Balance & Gameplay Changes (All Civilizations)

  • Biology effect reduced from 30% → 25% health

Research at

    Costs
    500food
    1000gold
    90time