Old World Reference
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📜 Birth Events

3 events

← All story events Trigger Stories that fire on the Birth trigger.

How yield rewards scale ↗ turn

A yield reward like +40 Science +10/city ↗turn is not a flat number. The amount you actually receive is:

(base + per-city × your cities) × turn multiplier

  • Per-city adds that much for every city you own (the rival's cities for Steal-Research-style effects).
  • Turn multiplier is ×1 up through turn 60, then ×(turn ÷ 60) after — ×1.5 at turn 90, ×2 at turn 120, ×3.3 at turn 200.

The number on each chip is the ×1 (base) value. Hover a yield chip for a cities × turn table of the real reward. Example — +40 Science +10/city with 4 cities: 80 early game → 120 at turn 90 → 160 at turn 120. The mission pages also have a live calculator. ("Tiny / Small / Average / Large" in the game are just preset base/per tiers — shown here as their real numbers.)

⚠ Weights are not in-game odds. Each story is gated by character/empire conditions (some hidden in-game), so its real frequency is filtered in ways the XML can't predict — community analytics differ a lot from raw weights. Treat the weight as the XML knob, not a probability.

Betrothal Birth The Sacred and the Profane Religion event pack
⛓ Part of the Betrothal chain — 5 events , 1 branch point view map →
100% to appear Once per game Child Of Leader UsPlayer ThemReligion StateThem BabyPlayer State ReligionPlayer Peace Or TruceRoyal
  • ▸ May this tie our nations together.
    Gain trait: BetrothedLeader relationship: Endeared ToGain trait: Betrothed
    grants
    BONUS_GIVE_TRAIT_BETROTHED
    aeAddTraits: TRAIT_BETROTHED
    BONUS_LEADER_ENDEARED_TO
    AddLeaderRelationship RELATIONSHIP_ENDEARED_TO
    BONUS_GIVE_TRAIT_BETROTHED
    aeAddTraits: TRAIT_BETROTHED
    ↳ may trigger: Betrothal, Betrothal, Betrothal
  • ▸ No, I will not place this burden of [character] so young.
    Leader relationship: Disappointed With
    grants
    BONUS_LEADER_DISAPPOINTED_WITH
    AddLeaderRelationship RELATIONSHIP_DISAPPOINTED_WITH

✎ Josh Unsworth Background reading ↗

Death in Birth Birth The Sacred and the Profane Religion event pack
Once per game Child Of Leader UsLeader UsReligion StateUs BabyReligion WorldHigh WisdomFemale
  • ▸ Trust in the Priests to see you through.
    Gain trait: Severely Ill
    grants
    BONUS_GIVE_TRAIT_SEVERELY_ILL
    aeAddTraits: TRAIT_SEVERELY_ILL
  • ▸ Allow [character] to continue his work.
    Remembered: Turned to magic (-40 opinion for 40 turns)(no event currently keys off this)
    grants
    BONUS_EVENTOPTION_STILLBORN_OPTION_1_RELIGION
    Memory MEMORYRELIGION_MAGIC_BIRTH
    ◇ grants a memory no event currently keys off

✎ Josh Unsworth

Tutorial: Succession Birth
⛓ Part of the Tutorial: Succession chain — 2 events view map →
Once per game Succession Us Baby
  • ▸ This is a day for celebration!
    +20Cultureeach city↗ turn
    grants
    BONUS_EVENTOPTION_TUTORIAL_SUCCESSION_OKAY
    aiCityYields: YIELD_CULTURE=20
    ↳ may trigger: Tutorial: Inheritance

✎ Soren Johnson