When you make an extra attack as a result of using a weapon that has the Light property, you can add your ability modifier to the damage of that attack if you aren't already adding it to the damage.
Includes material from the System Reference Document (SRD 5.2.1 / 5.1) by Wizards of the Coast, licensed under CC BY 4.0. Converted to Markdown, split into pages and cross-linked by OmnisGM.Legal
Dungeons & Dragons and D&D are trademarks of Wizards of the Coast LLC. OmnisGM is an independent project, not affiliated with or endorsed by Wizards of the Coast.