Envoy Augmentations

Receiving permanent specialised enhancements, you gain the following benefits:

• You get +1 to an ability score of your choice, to a maximum of 20.
• Specialised Design. You gain one skill proficiency of your choice, one tool proficiency of your choice, and fluency in one language of your choice. 
• Integrated Tool. Choose one tool you’re proficient with. This tool is integrated into your body, and you double your proficiency bonus for any ability checks you make with it. You must have your hands free to use this integrated tool.
• Envoy. Whenever you make an ability check with a skill or tool you're proficient with, you can do so with advantage. Once you use this feature, you cannot do so again until you finish a long rest.