[Free RPG Day 2024] Treasures of Deep Grotto

Now in its seventeenth year, Free RPG Day for 2024 took place on Saturday, June 22nd. As per usual, Free RPG Day consisted of an array of new and interesting little releases, which are traditionally tasters for forthcoming games to be released at GenCon the following August, but others are support for existing RPGs or pieces of gaming ephemera or a quick-start. This included dice, miniatures, vouchers, and more. Thanks to the generosity of Waylands Forge in Birmingham, Reviews from R’lyeh was able to get hold of many of the titles released for Free RPG Day.

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Treasures of Deep Grotto is a scenario for Sink!, the piratical setting for use with Dungeons & Dragons, Fifth Edition. Published by Crimson Herald via Hitpoint Press, it is designed to be played by four Third Level Player Characters in a single session. Notably, it employs the unique mechanic called the ‘Soul Link’. It represents a Player Character’s connection to his soul, mechanically represented by his Hit Dice. During play, a Player Character’s Hit Dice can be affected and drained by various effects, such as traps and magical attacks, but it can also be used as a source of power to fuel magical items. However, the downside is that if a Player Character suffers the ‘Sunken’ condition—potentially common in a nautical and piratical setting like Sink!—he can die if he is reduced to zero Hit Points when he also has his Hit Dice reduced to zero! Thus, Hit Dice are an important new resource in the Sink! setting. In addition, Sink! also adds tattoos as magical items. These are treated as wondrous items and are created using a magical needle. Four are detailed. They are the Assassin’s Tattoo, the Flicker Tattoo, the Ironbound Tattoo, and the Skyward Tattoo. Each grants a special effect, such as ‘Feather’s Grace’ for the Skyward Tattoo, which grants limiting flying speed.

The scenario begins en media res with the Player Characters already having been shipwrecked and suffering the ‘Sunken’ condition. The Player Characters are part of the crew of the Misty Mermaid, which has been attacked and sunk by the Hades Hound, a pirate ship commanded by Captain Grimscar, a warlock in the service of the powerful sea-bound fiend, Y’agthul. The Dread Admiral Y’agthul commands the Black Armada, and as one of his lieutenants, Captain Grimscar has been ordered to sail the seas around the chain of islands known as ‘The Blots’ and seize ships for plunder and the souls of their crews and passengers. These he must return to the Isle of Journey’s End where the Deep Grotto, home to one of the crossroads of life and death, and give them to his master. After the prologue which explains how they got there, the Player Characters, washed ashore, they are approached by the Misty Mermaid’s lucky—lucky were it not for the attack by Captain Grimscar and the Hades Hound—Sea Gnome* who tells them where they are and what they need to do. Which of course is to defeat Captain Grimscar and his master!

* Somewhat tweely dressed in tweed flat cap and cream-coloured cable knit sweater.

Although other adventure hooks are listed, they are all to get the Player Characters to the Isle of Journey’s End. There are three of them, whereas perhaps four would have been better to each give the four Player Characters the adventure is designed for to each have their own motivation. The Deep Grotto is a small dungeon, with just four locations. These are decently detailed, with links to monster stats and other details in the book clearly marked. The plotting is quite simple. The Player Characters must overcome or solve two puzzles located in two parallel watery chambers. Doing so enables them to unlock access the main room, the Sanctuary, where they confront Captain Grimscar before his master, the fiend, Y’agthul. This is a challenging combat, as not only do the Player Characters have to fight the pirate captain, but they also have to defeat Lubber and Swabbie, his eel fiend familiars, and all under the baleful influence of Y’agthul!

Four pre-generated Player Characters are available to download via the publisher’s website. They consist of a Half Orc Mist Born Ranger who can tether others with magical, ethereal harpoons and then zap them with lightning; a Human Buccaneer Fighter; a High Elf Spellskin Wizard whose spells are tattooed onto his skin some which can be shared with his allies; and a Half-Elf College of Tidesong Bard who can entreat allies to join in a Sea Shanty and gain Advantage on a single attack, ability check, or saving throw each turn for a minute. Of the four, the Fighter feels underwritten, but otherwise they showcase some of the Player Character options in the Sink! setting.

In addition to the four tattoos in the book—which the Dungeon Master is encouraged to let the players choose one each for their characters, Treasures of Deep Grotto describes three magical items. All of these work with the ‘Soul Link’ mechanic introduced in the scenario. For example, Dead Man’s Promise is a ring of coral found on the fingers of drowned sailors which grants the wearer an extra Hit Die to use with the ‘Soul Link’ mechanic and which can be used once to expend that Hit Die to recover Hit Points.

Physically, Treasures of Deep Grotto is a small, slim book. It needs a slight edit in places, but artwork stands out. Done in the style of traditional nautical tattoos, they really are very good and for the Dungeon Master impart an engaging sense of the Sink! setting. The writing could have been clearer in places. In particular, it is not quite clear if Captain Grimscar has the Player Characters’ souls or not.

Treasures of Deep Grotto is a short, action-packed scenario, with an emphasis on combat and puzzles. In fact, there is very little interaction and roleplaying involved in the scenario. For a one-shot, that is less of an issue than for a longer scenario where the plot would be longer and more involved. That said, Treasures of Deep Grotto can easily be added to a campaign in the Sink! setting and with some adjustment shifted to another setting with a strong nautical or piratical theme. Overall, Treasures of Deep Grotto is solid introduction to the Sink! setting and some of its ideas, with much of the flavour being imparted by the traditional tattoo artwork.