However,if a character gains Expertise in a skill, that character doublestheir proficiency bonus any time they make a skill check of the corresponding type. Expertise cannot stack. You cannot ...

If someone uses their bonus action to eat one of them, they'll gain temporary hit points, which is also equal to your proficiency bonus. Elven Accuracy Elf And Half-Elf Exclusive ...

Any race with a dexterity bonus will lend itself to the DnD Rogue class, ... High Elves are great melee combatants, and their Perception proficiency will let them see danger before it sees them.

If you have low proficiency in a said skill and you decide to use it as a modifier on your roll, be prepared for a negative bonus (minus). However, not all is so black in the world of DnD.

You have a number of Luck Points equal to your Proficiency Bonus and can spend the points on the benefits below. You regain your expended Luck Points when you finish a Long Rest.Advantage.