Charm of Nightguard - Praxxian/Ardamin GitHub Wiki
This charm has 3 charges. It can only be used at night. As a bonus action, for 1 hour, a weapon of your choice becomes a +1 weapon. The weapon emits bright light in a 15-foot radius and dim light for an additional 15 feet. The light is sunlight. You can use an action to expand or reduce its radius of bright and dim light by 5 feet each, to a maximum of 30 feet each or a minimum of 10 feet each.