[Infernal] Item - Fiendish Talismans

For every monthly theme I always try to include a broad breadth of item types (which are sometimes unpopular but I like the versatility). These are semi-consumables - usable until a certain requirement is met. I really like these because they're not technically "one-use" but also not overly powerful due to persistence.

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These talismans are crafted from a body part of fiend either living or dead, their innate magical power channeled through the object. Such creatures rarely give up such commodities and must be either bought from a devil, won from an agon, or stolen from a demon.

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These talismans are crafted from the magical remains of fiends, such as their bones, claws, and tongues. Each talisman provides a different benefit based on the body part and type of fiend from which they are taken.

• Fiend’s Bone. You can spend 1 minute affixing this magical talisman to you when you finish a short or long rest. While affixed, you have resistance to damage of a type based on the fiend the talisman was obtained from: fire damage for a devil, poison damage for a demon, and psychic damage for an agon. If you take 10 or more damage of the resisted type from a single source, the talisman crumbles to dust.
• Fiend’s Claw. You can spend 1 minute affixing this magical talisman to a weapon when you finish a short or long rest. The first time you hit a target with an attack using the affixed weapon on your first turn of each combat, you deal an extra 1d6 damage to it of a type based on the fiend the talisman was obtained from: fire damage for a devil, poison damage for a demon, and psychic damage for an agon. When you roll a 1 on the d20 for an attack roll made with an affixed weapon, the talisman crumbles to dust.
• Fiend’s Tongue. You can spend 1 minute affixing this magical talisman to you when you finish a short or long rest. While affixed, you are proficient with a skill based on the type of fiend the tongue was taken from: Persuasion for devils, Deception for demons, and Intimidation for agons. If you are already proficient with that skill, you can add double your proficiency bonus to it instead. If you roll a 1 on the d20 when making an ability check using the talisman’s granted skill, the talisman crumbles to dust.