You have advantage on saving throws against being frightened.
When you roll a 1 on a d20 test, you can reroll the die.
You gain one Halfling Subrace option, choosing from the following:
You have telepathy (30 feet).
You have advantage on saving throws against effects that would grant you the poisoned condition, and you have resistance against poison damage.
You have darkvision (60 feet).
You have proficiency in the Stealth skill.
You can take the Hide action when you are lightly obscured by a creature that is at least one size larger than you.
When a friendly creature you can see within 30 feet of you rolls a 1 on a d20 test, you can take a reaction to let the friendly creature reroll the die and use the new roll.
You can use this feature a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest.
You have a burrowing speed equal to 5 × your proficiency bonus in feet.
When a creature you can see hits you with an attack roll, you can take a reaction to cause that creature to reroll and use the new roll.
You can use this feature a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest.