Krill's Survival Bundle (Idea Bundle)

Here's a bunch of ideas that have been submitted by https://steamcommunity.com/profiles/76561198061938150/ who is still graciously gifting ideas (please note some of the ideas have been edited from their original writing)! Anyway all the ideas in this bundle is around survivalism.

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The Survivalist: (Notable NPC idea)

An old adventurer who has gone off the rails. Near completely insane he has mastered the elements. He is completely self sufficient and can live in any environment. He's a master marksman and almost near impossible to detect, even more so in his own environment. His skills are beyond mortal, and many suspect he's somehow made a pact with the god of nature. 

The Player's can randomly encounter this NPC if they are traveling around in 'nature areas' (more likely in jungles, & swamps). They are also more likely to encounter him if they set up camp in the wild. If they do encounter him, he will give the party tips & tricks that will give each play a 25% chance of gaining proficiency in survivalism (if the player has proficiency then they will have a 50% chance of getting expertise). Please note the rolls related to this event are only their for the first time the survivalist comes.

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Survival Bow: (Weapon idea) Appearance: A Long bow that has multiple parts & groves that can be move/detached from the bow.
Description: A longbow modified with multiple items handy in the wild. At one end of the bow is a detachable fire starter. At the other end detachable small piece of metal. In the arms of the bow are detachable capsules filled with fishing hooks, fishing lines, a tiny compass, tinder, and water purification tables, ever capsule is water proof. The bowstring can be used as an emergency fishing line. Made by an expert survivalist who didn't like to go to different places to get all his survival supplies. Attributes:
- 1d8 piercing damage + dex
- All items mentioned in the description can be found somewhere on/in it. - Any damage dealt to creature/animal/monstrosities will be doubled. --------------------------------------------------------------------------------------------------------------------------------------------------- Survival Pack: Appearance: A backpack filled with items made for a specific environments, each backpack comes in different shades for their environment that they are meant to be used in. Every pack costs 250gp and can be found in many stores around the world as they have become quite popular among veteran and amateur adventures.
Description: A backpack that comes pre-packed with all the necessary items for surviving in the wild. Comes it multiple different colors and versions depending on the environment.
-Forest: Basic pack, comes in green for camouflage. Comes with a canteen, pre-filled, that lasts 5 days. A compact fishing rod, with line and hook. A fire starter. Water purification tables, can purify up to 5 gallons of water per tablet. Rations for 5 days, does not expire. A sewing kit. An instruction manual detailing many things, such as creating a shelter or a proper fire pit. A water proof poncho. A whetstone. Some matches and tinder. Finally, some collapsible pots and pans that can be used for cooking.
-Dessert: This pack is beige and targeted to survival in a dessert. There is now two canteens for a total of 10 days. The fishing equipment has be taken out. Rations enough for 7 days, still lasts forever. An instruction manual leaning towards dessert survival, including which plants and animals are safe to eat. The last notable chance is that the poncho has been replaced with a turban that reduces heat and exhaustion from the hot dessert sun.
-Snow: This pack is white in color. The canteen is replaced with a special variant so the water does not freeze and stays warm. The fishing equipment is replaced with a special ice fishing equipment. The manual is now tundra based. Instead of a poncho it comes with a thick fur coat to keep its user warm. The matches and tinder have been replace with Fire Paper. Finally, it comes with a small tent fit for one person.
Attribute: If the player find themselves in the environment that fits the pack, they will get proficient in any survival/athletic/acrobatics check in that environment.

Special Variant:  Ultimate Survival Pack: A survival pack that changes colors with its environment. It comes with two canteens, each holding 5 days worth of water, that can keep water from freezing, one canteen hold colds water, the other hot. 10 days worth of rations. Special Fishing equipment that seems to have increased bite chance and more strength that normal ones. A manual with different marked sections for survival based on almost any environment. Fire Paper, matches, tinder, and a fire starter are present. Collapsible pots, pans, as well as many different spices. Finally, an all purpose cloak that hides your body from the heat, cold, rain, snow, and potentially prey or predator. Costs 1000gp. -------------------------------------------------------------------------------------------------------------------------------------------------