Dave the Diver allows you to upgrade your gear to tackle the deeper and more dangerous sections of Blue Hole. That said, you can further improve your chances of success and survival with other things other than improving your suit, weapons, and storage, and that is by equipping charms.

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Charms are accessories that give Dave some unique and helpful buffs to specific aspects of his stats. You can equip two at a time, and you can mix and match charms depending on your play style. These are also exceptionally helpful if you ever find yourself stuck in a particular section or with a particular boss. Below is a full list of all the charms you can get and a quick overview of the benefits offered by each.

10 Sea People Necklace

A helpful exploration charm is the Sea People Necklace, which you can acquire after doing the "Deliver Key to Tenzhin" mission. This charm will allow Dave to safely pass through those tubeworm tunnels.

Without this particular charm equipped, you will need to equip the UV light to get through the tunnels. Having the Sea People Necklace equipped will significantly speed up the exploration.

9 Eco Poison Resist Bracelet

Since you will eventually encounter poisonous marine life in the game, there is a high chance that you will be poisoned once or twice during your dives into the more dangerous depths of Blue Hole. As such, having the Eco Poison Resist Bracelet will be crucial in tackling areas that are filled with all manner of poisonous aquatic fauna.

You will receive the Eco Poison Resist Bracelet once Bluehole Research and Protection reach level two.

8 Eco Health Bracelet

Once Bluehole Research and Protection reaches level three, Dave will be able to obtain the Eco Health Bracelet. This charm will help improve your chances of survival if you ever find yourself venturing into areas that have higher-level enemies.

The Eco Health Bracelet will be able to reduce the overall damage that you do by 10 percent. This buff will be helpful in situations where you can’t seem to avoid taking damage.

7 Sea People Bracelet

The Sea People Bracelet is a charm that you can obtain by simply following the main storyline. It is received after completing the "Beyond the Rock Pile" mission, where you will need to blow up a specific pile of rocks.

The Sea People Bracelet allows Dave to survive for a couple more seconds when his oxygen supply runs out. While it won’t keep Dave alive indefinitely, those crucial extra seconds can be the difference between life and death as they allow you to find oxygen capsules and barrels or go back up to the Mother Ship.

6 Eco Gemstone Bracelet

If you are gathering minerals and wish to optimize every dive for that particular reason, then the Eco Gemstone Bracelet is a must-have. You can obtain this charm once Bluehole Research and Protection reach level four.

The Eco Gemstone Bracelet will increase the total amount of minerals that you get when mining. Having this handy charm will decrease grinding and maximize the minerals that you can gather in a single diving session.

5 Octopus Weapon Charm

The second Octopus Charm can be obtained during the mission where you are escorting the Sea People, and they will ask you to remove a giant nail stuck to the ceiling to create a path. You will need to find the room with the whale bones and an octopus swimming around, as it will guide you to the location of the charm.

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This weapon charm will give you an extra 15 percent damage to your gun. Equipping this charm along with an upgraded weapon will help speed up taking down bosses.

4 Octopus Bracelet

You will obtain the Octopus Bracelet after completing the "Strange Coral" mission, which, along with the Dolphin Necklace, will be an essential charm combo for a couple of reasons. This charm will negate any oxygen used when dashing, which is extremely helpful in certain boss-fight scenarios.

Oxygen management will be crucial in Dave the Diver, and not having to weigh in on the pros and cons of dashing will be a load off your mind. While the Octopus Bracelet cancels oxygen usage when dashing, the gauge needs to be refilled for the charm’s properties to be usable.

3 Shark Teeth Necklace

Another weapon charm that you should get is the Shark Teeth Necklace. You can obtain this after beating the "Revenge Time" mission.

Seeing as this boosts harpoon damage by 15 percent and that harpoons will be your primary weapon in the game, it is safe to say that this particular charm will be essential when facing dangerous aquatic predators.

2 Dolphin Necklace

The Dolphin Necklace is one of the first charms that you will find in the game, and it is one of the best ones as well. You will receive this necklace after completing the "Defeat Pirates" mission in Chapter 2.

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Equipping the Dolphin Necklace will boost Dave’s dash speed by 30 percent. While that may not sound much, you won’t feel the same way when you encounter a particularly strong enemy that you can’t get away from.

Having the ability to make a quick getaway will be integral to your survival when venturing into the depths of the Blue Hole.

1 Eco Waterproof Bag

Weight capacity will be a factor that can slow down your progress, as you will need to prioritize what you put in your storage. By having the Eco Waterproof Bag, you can be a bit laxer with grabbing everything you find down there in the depths.

Equipping the Eco Waterproof Bag will increase your storage capacity by 30 kg. and you can obtain this charm by upgrading Bluehole Research and Protection to level five.

Since gathering seafood and minerals will be an integral part of the game, having this charm will be essential.

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