Volcanic Touch. Using an action, you can touch a weapon or up to 10 pieces of ammunition, causing them to heat up and glow with pale orange light. For the next 1 minute, attacks made with the weapon or ammunition deal and extra 1d4 fire damage. The weapon or ammunition must be made of or tipped with metal, stone or another inflammable material. You can use this feature once and regain the ability to do so after completing a short rest. Skilled Artisan. You gain proficiency in a tool set of your choice, and your proficiency bonus doubled for any ability check you make using it. You can operate the tools using your secondary arms. You also gain proficiency in one of the following skills: Arcana, Investigation, History, Medicine, Nature.