Botanist

Your extensive study of nature rewards you with the following benefits:

• Increase your Intelligence score by 1, to a maximum of 20.
• You are proficient in Intelligence (Nature) checks. You are also proficient with the Herbalism Kit. 
• You learn the Detect Poison and Disease spell. You can cast this spell once without expending a spell slot, and you regain the ability to do so when you finish a long rest.