banner_thankfulness

The modifier banner_thankfulness is a named modifier in Crusader Kings III; the game gives it no name. It gives Court grandeur baseline +6, Men-at-Arms Maintenance -10%, Advantage against coreligionists +5, Military Order Hire Cost -25%, Piety +1/month, Heavy Infantry Damage +10% and 1 more. No add_…_modifier command in common/, events/ or history/ adds it. Patch 1.20.1.2, from game/common/modifiers/00_historical_artifact_modifiers.txt.