Elf Kinshape Elixir

Elf Form. This potion smells like sweet strawberry lemonade and taste exactly like that as well.
  After you drink this potion, you transform into an Elf for the next hour. Your size becomes Medium, your base walking speed becomes 30ft. You gain Darkvision out to 60ft and may add your proficiency bonus to Perception checks. You also have advantage on saving throws against being Charmed, and magic can't put you to sleep.   You keep all of your own proficiencies, features, abilities and characteristics during this transformation. This potion only affects humanoids, if you are already an Elf, this potion has no effect on you.