Ferocious 1 gives the Polar Bear +3 To-Hit, Relentless gives him +10 HP and +1 Wound, Rage 2 gives him +20 HP every time it receives a Wound. An Oblex is easily the most petrifying creature that can be encountered in a campaign, and was notably the work of a child who worked with Wizards of the Coast to design a monster through the Make-A-Wish foundation.The AC of a character is determined at character creation, whereas the AC of a monster is in its stat block. It's definitely a loose system and not perfectly matched to the math of 5e D&D but the whole challenge rating system is likewise imperfect. My entire notes for it, scrawled down a few minutes before the session, were: Rubber/tar-demon – HD8. Help improving it by giving your feedback! These should be changed to apply an overall +2, either through a +2 on one stat, or +1 on two stats.
