Always on

• ExpertiseLevel 1

  Olli can add his proficiency bonus twice to ability checks using Stealth and Perception, the two skills he chose for Expertise.

• Sneak AttackLevel 1

  Once per turn, Olli can deal an extra 1d6 damage to one creature he hits with an attack if he has advantage on the attack roll, or if another enemy of the target is within 5 feet of it and Olli does not have disadvantage. The attack must use a finesse or ranged weapon.

• Thieves' CantLevel 1

  Olli knows the secret mixture of dialect, jargon, and code used by thieves. He can communicate a simple message in Thieves' Cant, and understands its hidden signs and symbols.

• DarkvisionHill DwarfYou can see in dim light within 60 feet as if it were bright light, and in darkness as if it were dim light, seeing only shades of gray.
• Dwarven ResilienceHill DwarfYou have advantage on saving throws against poison, and resistance to poison damage.
• Dwarven Combat TrainingHill DwarfYou are proficient with the battleaxe, handaxe, light hammer, and warhammer.
• Tool ProficiencyHill DwarfYou gain proficiency with one artisan's tool of your choice, mason's tools.
• StonecunningHill DwarfWhen making an Intelligence (History) check related to the origin of stonework, you are considered proficient and add double your proficiency bonus.
• Ability Score IncreaseHill DwarfYour Constitution score increases by 2 and your Wisdom score increases by 1.
• Dwarven ToughnessHill DwarfYour hit point maximum increases by 1, and increases by 1 again whenever you gain a level.
• Ship's PassageSailor

  When Olli needs passage for himself and his companions, he can secure free passage on a sailing ship for himself and his companions, provided they are willing to work for the passage. Since he served aboard merchant vessels, he can call on sailors who recognize his trade and are willing to help.