What does Hamayumi do in CK3?

Court grandeur baseline +3, Piety +0.5/month, Stress Gain -15% (patch 1.20.0.3).

How do you get Hamayumi with the console?

effect create_artifact_pedestal_hamayumi_bow_effect = { OWNER = root } — runs the scripted effect that makes it, for the character you play (debug mode).

Court artifact · Pedestal Item

Hamayumi

MasterworkThe Royal Court

Hamayumi is a masterwork pedestal item artifact in Crusader Kings III: Court grandeur baseline +3, Piety +0.5/month, Stress Gain -15%. Quality 30 and wealth 30; maximum durability 75. Made on 1145.1.1 for Yorimasa Settsu in Heian-kyō. At game start it goes to the holder of Chrysanthemum Throne (starts from 1178.1.1) — needs The Royal Court. It needs The Royal Court. Patch 1.20.0.3, from game/common/scripted_effects/01_exp1_historical_artifacts_creation_effect.txt.

Quick answers (2)

What does Hamayumi do in CK3?: Court grandeur baseline +3, Piety +0.5/month, Stress Gain -15% (patch 1.20.0.3).
How do you get Hamayumi with the console?: effect create_artifact_pedestal_hamayumi_bow_effect = { OWNER = root } — runs the scripted effect that makes it, for the character you play (debug mode).

The 'Evil-destroyer' was used by Minamoto Yorimasa, who was summoned to the imperial palace to dispel evil spirits.

Effects

History and who has it

Made on 1145.1.1 for Yorimasa Settsu in Heian-kyō.
Kept with the title Chrysanthemum Throne from 1150.1.1.
At game start: the holder of Chrysanthemum Throne (starts from 1178.1.1) — needs The Royal Court.

How it is made

The game creates it with the scripted effect create_artifact_pedestal_hamayumi_bow_effect. In the console (how to open it), this gives it to the character you play:

effect create_artifact_pedestal_hamayumi_bow_effect = { OWNER = root }

Built from the effect's file; not run in the game by us.

Source: game/common/scripted_effects/01_exp1_historical_artifacts_creation_effect.txt, common/modifiers (hamayumi_bow_modifier) and the English localisation, Crusader Kings III 1.20.0.3.