Dilute. You can squeeze through a space as narrow as 1 inch wide, provided you are wearing and carrying larger than one inch. You also have advantage on ability checks you make to escape a grapple.
Avoidance. If the Slurp is subjected to an effect that allows it to make a saving throw to take only half damage, it instead takes no damage if it succeeds on the saving throw, and only half damage if it fails.
Freeze. If the Slurp takes cold damage, it partially freezes; its speed is reduced by 20 feet until the end of its next turn, and it falls if it is flying.
Resonant. The Slurp is easily vibrated by loud sounds and blunt impacts, causing its body to lock up momentarily. If it takes thunder lightning or bludgeoning damage, it vibrates uncontrollably; its speed is halved until the end of its next turn, and it has disadvantage on perception checks.
Swamp Camouflage. You are considered proficient in the Stealth skill. If you already are proficient from a different source you gain expertise. Whenever you make a Dexterity (Stealth) check, you have advantage on that roll.
Ambush. If you Surprise a creature and hit it with an Attack on your first turn in Combat, the Attack deals an extra 2d6 damage to it. You can use this trait only once per Combat. Magma Slurp
Molten Ball. As a bonus action when you hit with a ranged or melee attack, you can improve this attack by shaking off some of your molten insides to deal fire damage to the target. The extra damage is 1d8. This damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8). You can use this feature a number of times equal to your proficiency modifier per long rest. Mountain Slurp
Resistant. Starting at 7th level, whenever you must make a saving throw, you gain a bonus to the saving throw equal to your Constitution modifier (with a minimum bonus of +1). You must be conscious to gain this bonus.
Mountain Born. You can focus yourself to occasionally shrug off injury. When you take damage, you can use your reaction to roll a d12. Add your Constitution modifier to the number rolled and reduce the damage by that total. After you use this trait a number of times equal to your proficiency modifier, you can’t use it again until you finish a short or long rest.
High Altitude Rest. Due to the traveling through mountain terrain, you have gained the skill to quickly gain back strength through resting. You can finish a short rest much faster than others by covering yourself in dirt or stones; You fall unconscious when you are fully covered and if you stay unconscious for the full duration, you gain the benefits of a short rest. You can’t rest in this manner again until you finish a long rest. Dark Slurp