This is homebrew, submitted by a member of the community.
Deep Scion
Deep Scion
Medium humanoid (shapechanger), neutral evilMedium humanoid (shapechanger), neutral evil
Shapechanger. The deep scion can use its action to polymorph
into a humanoid-piscine hybrid form, or back into its true form.
Its statistics, other than its speed, are the same in each form.
Any equipment it is wearing or carrying isn't transformed. The
deep scion reverts to its true form if it dies.
Amphibious (Hybrid Form Only). The deep scion can breathe
air and water.
[b]Shapechanger.[/b] The deep scion can use its action to polymorph
into a humanoid-piscine hybrid form, or back into its true form.
Its statistics, other than its speed, are the same in each form.
Any equipment it is wearing or carrying isn't transformed. The
deep scion reverts to its true form if it dies.
[b]Amphibious (Hybrid Form Only).[/b] The deep scion can breathe
air and water.
Actions
Multiattack. In humanoid form, the deep scion makes two melee attacks. In hybrid form, the deep scion makes three attacks: one with its bite and two with its claws.
Battleaxe (Humanoid Form Only). Melee Weapon Attack: +6 tohit, reach 5ft., one target. Hit: 8 (1d8+4) slashing damage, or
9 (1d10+4) slashing damage if used with two hands.
Bite (Hybrid Form Only). Melee Weapon Attack: +6 to hit, reach5 ft., one creature. Hit: 6 (1d4+4) piercing damage.
Claw (Hybrid Form Only). Melee Weapon Attack: +6 to hit, reach 5ft., one target. Hit: 7 (1d6+4) slashing damage.
Psychic Screech (Hybrid Form Only; Recharges after a Shortor Long Rest). The deep scion emits a terrible scream audible
within 300 feet. Creatures within 30 feet of the deep scion must
succeed on a DC 13 Wisdom saving throw or be stunned until
the end of the deep scion's next turn. In water, the psychic
screech also telepathically transmits the deep scion's memories of the last 24 hours to its master, regardless of distance, so long as it and its master are in the same body of water.
[b]Multiattack.[/b] In humanoid form, the deep scion makes two melee attacks. In hybrid form, the deep scion makes three attacks: one with its bite and two with its claws.
[b]Battleaxe (Humanoid Form Only).[/b] Melee Weapon Attack: [+6] to
hit, reach 5ft., one target. Hit: 8 ([1d8+4]) slashing damage, or
9 ([1d10+4]) slashing damage if used with two hands.
[b]Bite (Hybrid Form Only).[/b] Melee Weapon Attack: [+6] to hit, reach
5 ft., one creature. Hit: 6 ([1d4+4]) piercing damage.
[b]Claw (Hybrid Form Only).[/b] Melee Weapon Attack: [+6] to hit, reach 5ft., one target. Hit: 7 ([1d6+4]) slashing damage.
[b]Psychic Screech (Hybrid Form Only; Recharges after a Short
or Long Rest).[/b] The deep scion emits a terrible scream audible
within 300 feet. Creatures within 30 feet of the deep scion must
succeed on a DC 13 Wisdom saving throw or be stunned until
the end of the deep scion's next turn. In water, the psychic
screech also telepathically transmits the deep scion's memories of the last 24 hours to its master, regardless of distance, so long as it and its master are in the same body of water.
Legendary Actions
Details
Deep scions began life as people who were stolen from shore or saved from sinking ships and offered a terrible bargain by an undersea power: surrender, body and soul, or drown. Those who submit are subjected to an ancient ritual widespread among evil aquatic creatures.Its methods are painful and the result never certain, but when it works, the magic transforms an air-breathing person into a shapechanger that can take a form that is
fully at home beneath the waves Deep scions began life as people who were stolen from shore or saved from sinking ships and offered a terrible bargain by an undersea power: surrender, body and soul, or drown. Those who submit are subjected to an ancient ritual widespread among evil aquatic creatures.
Its methods are painful and the result never certain, but when it works, the magic transforms an air-breathing person into a shapechanger that can take a form that is
fully at home beneath the waves
Shout outs: Stacey, Adam Fowler, Amanda Kettles, Angelo Anderson, Appreciate Witch of Life, AstroLass, bilbens baggo, Brian Nunziato, Bryan Sheairs, Brysen Packer, Bryson Waits, Burlyfighter, Caitlin W., Christopher Allbritton, CJMAXP, Connor, Dalton Elliott, Damon Carrington, Daniel Edwards, David Schraff, Dragons With Jetpacks, Elisa Martinez, eric sun, Ezzela1891, Federica Frezza, Gordon Alexander Fallon, Gundar Wez, Iofire, Irate The Pirate, Jade Arrowood, Jake Lane, Jeremiah Walker, Jess, Joe Dalby, John Nazario, JollyGamer, Jonathan Lekse, Jordan Brazeal, Joshua David Maddox, Justin Snyder, Kerry Melton, Kevin, KFB_Patreon, KingHavok1217, Kingyo Senpai, Kyle Clark, Lisa Tucker, Liz Fontain, Lizzie, Lou Bliss, Luke P, Mario Pizzamiglio, Mark L, Matt Yates, Max Hops, Maxwell Mayer, Michael Hamilton, Millergendraft, mtnman1979@aol.com, Mx Charlie, Mylon Schroder, Nahellion, Nathan, Nicholas Zamora, Nick Soucy, Phil Mehl, Phillip P Torchia, Pythor Sen, R., Rachel Anderson, Ray Bissonnette, Remora Jewel, Robert Rich, Robert Skadsem, Ryan Flagg, SallySparrow132, Sarah Holland, Serafina Moon, Shane Andrews, ShortyMcgibble, Sik Makoyi, Siren, Stefan Gottschalk's, Steve Rosenlund, Stuart, Syn21, That Video Editor Nic, thea musing, Trev909, Vedie V, Vincent Drone, Warren Clarida, Wesley Muncy, XMrMonkyx ., Zachary Burgess-Hicks, zachary gee, Zealot23, Zee Livezey
Their contribution stands as a beacon of hope for all adventurers!

