Tasha’s Cauldron Of Everything: Fathomless Warlock Patron Sees Thalassic Final Reprint In D&D’s Newest Rules Expansion

Tasha’s Cauldron Of Everything: Fathomless Warlock Patron Sees Thalassic Final Reprint In D&D’s Newest Rules Expansion
Credit: Wizards of the Coast via Youtube

Tasha’s Cauldron of Everything is just under two weeks old, but it seems like it’s been out for months with the way the D&D community has been talking about it. This D&D book is the newest rules expansion for D&D, adding new character creation rules, optional variants for existing classes, and 30 subclasses to enjoy.

One of these new subclasses is the Fathomless Otherworldly Patron for warlocks. This subclass made a previous debut in D&D’s Unearthed Arcana, a portion of the D&D website that offers players new content in exchange for playtesting and feedback. The article below will go over the changes made to the Fathomless warlock.

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At 1st level when you choose this subclass, you gain a set of spells that you may choose from when learning new warlock spells:

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(Spell Level)
1st – Create or Destroy Water, Thunderwave
2nd – Gust of Wind, Silence
3rd – Lightning Bolt, Sleet Storm
4th – Control Water, Summon Elemental (water)
5th – Bigby’s Hand, Cone of Cold

Also received at 1st level is the Tentacle of the Deeps feature. As a bonus action, you create a 10 foot long tentacle at a point you can see within 60 feet of you. The tentacle lasts for 1 minute or until you use this feature to create another tentacle. When you create the tentacle, you can make a melee spell attack against one creature within 10 feet of it. On a hit, the target takes 1d8 cold damage, and its speed is reduced by 10 feet until the start of your next turn. When you reach 10th level in this class, the damage increases to 2d8. As a bonus action on your turn, you can move the tentacle up to 30 feet and repeat the attack. You can summon the tentacle a number of times equal to your proficiency bonus and you regain all expended uses when you finish a long rest.

The final 1st level ability is pretty small, gifting you a swimming speed of 40 feet, and you can breathe underwater.
Oceanic Soul comes crashing in at 6th level, granting you resistance to cold damage. Additionally, when you are fully submerged, any creature that is also fully submerged can understand your speech, and you can understand theirs.

Guardian Coil snakes its way in at 6th level as well, allowing you to use your tentacle to interpose itself between them and harm. When you or a creature within 10 feet of the tentacle takes damage, you can use your reaction to choose one of those creatures and reduce the damage to that creature by 1d8. When you reach 10th level in this class, the damage reduced increases to 2d8.

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At 10th level, the Fathomless warlock is granted the Grasping Tentacles feature. You learn the spell Evard’s Black Tentacles. It counts as a warlock spell for you, but it doesn’t count against the number of spells you know. You can also cast it once without expending a spell slot, and you regain the ability to do so when you finish a long rest. Whenever you cast this spell, your patron’s magic bolsters you, grating you a number of temporary hit points equal to your warlock level. Moreover, damage can’t break your concentration on this spell.

Fathomless Plunge finally wraps up the class at 14th level. As an action, you can teleport yourself and up to five other willing creatures that you can see within 30 feet of you. Amid a whirl of tentacles, you all vanish and then reappear up to 1 mile away in a body of water you’ve seen (pond size or larger) or within 30 feet of it, each of you appearing in an unoccupied space within 30 feet of the others. Once you use this feature, you can’t do so again until you finish a short or long rest.

If you like this subclass and would like to see more, it’s recommended to visit the D&D website for more information.