Underwater Palace

Floors/Rooms in total: 21 (10 Surface Rooms, 10 Underwater Rooms. 1 Royal Chambers)
Monster Houses: Floors 4, 10, 15

"Deep within the Waters of the Madnea Gulf Lies a sacred place where Water types usually go in search for treasure, hidden within the walls of the palace are dead ends, traps, and Water pokemon ready to fight, don't count of fighting alone however, the Squirtle and the Piplup family will fight for the sake of explorers and their friends, also the palace's been magically altered where Pokemon can breathe while within the depths of the palace.
Dominate Pokemon: The Squirtle Family & the Piplup family

F1-10: Squirtle, Piplup, Tentacool, Polliwag, Horsea, Azurill
F11-5 Wartortle, Prinplup. Polliwhirl, Seadra, Marill,
F16-20 Azumarill, Blastoise. Polliwath, Pollitoed. Kingdra. Tentacruel, Empoleon

Royal Chamber: 1 Orange Chest

Bonuses: (Must have either the Deplomat IQ skill or At least have 1 Pokemon with an HP of 300 or a ATK of 125)
Extra Rations (X5 Apples for Literal Missions, 2 Max Elixirs, 2 Oran Berries, & a heal seed for Action Missions )
Temporary assistance (Action Missions only)
Shortcuts (Literal Missions Only)
Item gained in missions(Both Missions)