Enraged. The ogre as advantage on Strength checks and Strength saving throws and adds +2 to damage rolls when making a melee weapon attack (including in the attack). Reckless. At the start of its turn, the ogre can gain advantage on all melee weapon attack rolls it makes during that turn, but attack rolls made against it have advantage until the start of its next turn.
Greatclub. Melee Weapon Attack: +6 1d20+6 to hit, reach 5ft, one target. Hit: 15 (2d8+6) 2d8+6 bludgeoning damage. Javelin. Melee or Ranged Weapon Attack: +6 1d20+6 to hit, reach 5ft or range 30/120, one target. Hit: 13 (2d6+6) 2d6+6 piercing damage or 11 (2d6+4) 2d6+4 piercing damage when thrown.