This is homebrew, submitted by a member of the community.
Thessalhydra
Thessalhydra
Huge monstrosity, unalignedHuge monstrosity, unaligned
Actions
Multiattack. The thessalhydra makes one maw attack and one Flurry of Bites.
Flurry of Bites. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 7 (1d6+4) piercing damage plus 10 (4d4) poison damage.
Maw. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 9 (1d10+4) piercing damage plus 5 (1d10) acid damage.
Tail Pincer. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 10 (1d12+4) slashing damage, and the target is grappled. As an action, the target can escape the grapple by succeeding on a DC 14 Strength (Athletics) or Dexterity (Acrobatics) check (its choice). Until this grapple ends, the thessalhydra can't use its tail pincer.
Acid Saliva (Recharge d6: 5–6). The thessalhydra spits a glob of acid at a point it can see within 30 feet of it. Each creature within 10 feet of that point must make a DC 15 Dexterity saving throw, taking 18 (4d8) acid damage on a failed save, or half as much damage on a successful one.
[b]Multiattack.[/b] The thessalhydra makes one maw attack and one Flurry of Bites.
[b]Flurry of Bites.[/b] Melee Weapon Attack: [+7] to hit, reach 10 ft., one target. Hit: 7 ([1d6+4]) piercing damage plus 10 ([4d4]) poison damage.
[b]Maw.[/b] Melee Weapon Attack: [+7] to hit, reach 5 ft., one target. Hit: 9 ([1d10+4]) piercing damage plus 5 ([1d10]) acid damage.
[b]Tail Pincer.[/b] Melee Weapon Attack: [+7] to hit, reach 10 ft., one target. Hit: 10 ([1d12+4]) slashing damage, and the target is grappled. As an action, the target can escape the grapple by succeeding on a DC 14 Strength (Athletics) or Dexterity (Acrobatics) check (its choice). Until this grapple ends, the thessalhydra can't use its tail pincer.
[b]Acid Saliva (Recharge [d6]: 5–6).[/b] The thessalhydra spits a glob of acid at a point it can see within 30 feet of it. Each creature within 10 feet of that point must make a DC 15 Dexterity saving throw, taking 18 ([4d8]) acid damage on a failed save, or half as much damage on a successful one.
Legendary Actions
The thessalhydra can take 2 legendary actions, choosing from the options below. Only one legendary action can be used at a time and only at the end of another creature's turn. The thessalhydra regains spent legendary actions at the start of its turn.
Detect. The thessalhydra makes a Wisdom (Perception) check with advantage.
Tail Swipe. The thessalhydra makes a tail pincer attack.
The thessalhydra can take 2 legendary actions, choosing from the options below. Only one legendary action can be used at a time and only at the end of another creature's turn. The thessalhydra regains spent legendary actions at the start of its turn.[b]Detect.[/b] The thessalhydra makes a Wisdom (Perception) check with advantage.
[b]Tail Swipe.[/b] The thessalhydra makes a tail pincer attack.
Details
Shout outs: Stacey, Revan#4962, Jane McClintock, JMartins, Jade Arrowood, Sean Kane, Angelo Anderson, yoland katamari, Rhonda Seiter, Noble Saffron, Alexa Hobusch, Jonathan Lekse, DMMichael7000, Katie White, Subzotic, JollyGamer, Jayden wingler, Yi Tan, Emma Holloway, Ashley Sullivan, Gillian Tolbert, David R Abbott, S.T. Jenkins, Vanda Leipold, Rick Marsh, Brittany DeNicholas, Phillip Hash, Ly Anton-Blake, Bobbie Crane, Amanda Kettles, Anthony Brown, Lou Bliss, Treighton, Pythor Sen, Michael Isberg, Nat, Cory Evans, Krueger82, BestWorseCaseScenario, Damian Steele, Icarus Unleashed, Mark L, Conall Reilly, Alex, keith oneal rogers, Moss, Ash Harkness, William Bamann, Merissa, Patrick Natale, Cam Largent, Thaddeus Johnson, Siren, Donavan Guay, AstroLass, Chandlor Desper, Lizzie, Masca Boom, Jordan, Rincewind, Michael Hamilton, Rob Hale, Vedie V, Mylon Schroder, Nathan, Joseph Mitchell, Jordan Florez, Robert Rich, Rodney O'Dell, Robin Ellis-Foster, Deanna Pyle, Jess, Meme Pitt-Melton, E.D.F., Zee Livezey, Kevin, ryan scott, Kerry Melton, Mary Kieser, SallySparrow132, Lunesolace, DJ_Kelf, Cassandra Keyes, Naomi B, Millergendraft, charles phillips, Nick Soucy, Ellen Mitchell, Melanie Warga, Jeremiah Walker, Bryan Sheairs, Bryan Kempka, chris wilson, Max Hops, Sarah Holland, Joshua David Maddox, Jennifer Smith, Ray Bissonnette, Joe Dalby, Nicholas Zamora, ShortyMcgibble, Mr. Vinclair, mtnman1979@aol.com, KFB_Patreon, eric sun, Bruce Willison, Gundar Wez, Ken Shapiro, Nahellion, Serena Verden, bilbens baggo, Stuart, Brysen Packer, Galygious, Tim Mason, Maxwell Mayer, Gannon Dubay, Thobek, Aaron Teupe, Felix Schmäche, XMrMonkyx ., John, Miss Zilla M, Jordan Brazeal, Kyle Clark, Jake Lane, Adam Ruiz, Phillip P Torchia, Natalie Luttrell, Brian McDougall, Stefan Gottschalk's, Remora's Jewel, Buffonturtle, jeremy baisch, Zealot23, Shane Andrews, CJMAXP, Chevy Jones, KingHavok1217, Shazear, Curran Vallejo, Steve Rosenlund, Leanna Orr, Ezzela1891, John Nazario, Gary, Gordon Alexander Fallon, Jason Clark, Trey Vickory
Their contribution stands as a beacon of hope for all adventurers!
