How do you get al-Sayf al-Khass with the console?

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

Court artifact · Pedestal Item

al-Sayf al-Khass

IllustriousUniqueThe Royal Court

al-Sayf al-Khass is an illustrious pedestal item artifact in Crusader Kings III: Court grandeur baseline +3, Advantage in Floodplains +3, Renown +0.1/month, Monthly Piety per Knight +1%. Quality 100 and wealth 100; maximum durability 150, and it does not wear out. Made on 670.1.1. At game start it goes to the holder of Shia Caliphate (starts from 910.1.15) — 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 al-Sayf al-Khass do in CK3?: Court grandeur baseline +3, Advantage in Floodplains +3, Renown +0.1/month, Monthly Piety per Knight +1% (patch 1.20.0.3).
How do you get al-Sayf al-Khass with the console?: effect create_artifact_al_sayf_al_khass_effect = { OWNER = root } — runs the scripted effect that makes it, for the character you play (debug mode).

This jeweled sword is said to have been made from a thunderbolt. It is kept in a gold inscribed cover, which it has rarely left due to its ceremonial significance in the caliphate.

Effects

Court grandeur baseline+3
Advantage in Floodplains+3
Renown+0.1/month
Monthly Piety per Knight+1%

History and who has it

Made before recorded history on 670.1.1.
Kept with the title Shia Caliphate from 881.1.1.
At game start: the holder of Shia Caliphate (starts from 910.1.15) — needs The Royal Court.

How it is made

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

effect create_artifact_al_sayf_al_khass_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 (al_sayf_al_khass_modifier), common/artifacts/templates (general_unique_template) and the English localisation, Crusader Kings III 1.20.0.3.