Cave ( location ) Caves are a recurring type of locations found throughout the " Final Fantasy " series . They almost always appear as dungeon s , save some rare exceptions . Appearances . " Final Fantasy " . In the original " Final Fantasy " , a few caves appear as dungeons , while others are home to special characters . List of Caves : " Final Fantasy II " . " Final Fantasy II " also features several caverns , but all of them are filled with monsters . List of Caves : " Final Fantasy III " . " Final Fantasy III " features several caverns . It ' s also noteworthy that the plot starts inside one . List of Caves : " Final Fantasy IV " . In " Final Fantasy IV " , the majority of caves work as passages between other locations or paths to special areas . " Final Fantasy IV - Interlude - " . The Sealed Cave and the Cave of Eblan are the only accessible caves in this game . List of Caves : " Final Fantasy V " . In " Final Fantasy V " features a smaller number of caverns , which work generally as lairs . List of Caves : " Final Fantasy VI " . The caves that can be found in " Final Fantasy VI " always appear as monster dens . Some caves disappear after the Apocalypse , while others are only made accessible then . List of Caves : " Final Fantasy VII " . Few caverns appear in " Final Fantasy VII " . Unlike the previous games , the majority of caverns in this game are small and mainly house treasure . List of Caves : " Final Fantasy VIII " . The only true cavern that appears in " Final Fantasy VIII " is the Fire Cavern , where the Fire - elemental Guardian Force Ifrit resides . However , there are two excavation sites that appear as dungeons in this game : the Centra Excavation Site and the late - game mysterious Deep Sea Research Center . " Final Fantasy IX " . Like the previous game , few caverns appear in " Final Fantasy IX " . Some of them are blocked in Disc 4 . List of Caves : " Final Fantasy X " . The Cavern of the Stolen Fayth is the first cave explored in " Final Fantasy X " . Several fiends can be found within , and deep inside is a chamber with Yojimbo ' s fayth . There is also a cave on Mt . Gagazet with submerged parts where only Tidus , Wakka , and Rikku can traverse , and the optional dungeon Omega Ruins . " Final Fantasy X - 2 " . Many new caves have been added since the sequel , with ones from the previous game returning . List of Caves : " Final Fantasy XI " . Due to the sheer size of the world of " Final Fantasy XI " , many caves are available for the adventurer to explore . Many areas are also partially cavernous , with other parts such as ruins inside of the area . " Final Fantasy XII " . Four cavern zones appear in " Final Fantasy XII " : " Final Fantasy XIII " . The Mah ' habara Subterra is a series of tunnels dug by the fal ' Cie Atomos in the land of Gran Pulse , once used as a mining facility , but after 500 years of human absence , it is now home to a series of resilient automata . It connects the Archylte Steppe with the Sulyya Springs . " Final Fantasy XV " . There are many caves in Lucis , some of them tricky to find . Caves contain optional content , and reward adventurers with things like new equipment from Royal Tomb s . Because caves are dark , enemies usually only encountered at night appear in them , making them often tougher than other areas . Menace Beneath Lucis is a sidequest the player can do in Chapter 15 that opens up optional areas in dungeons the player has already cleared . " Final Fantasy Mystic Quest " . The Wintry Cave is the only cave found in the game . " Final Fantasy Adventure " . There are a total of five caves within the game ; Cave in Floatrocks , Cave of Marsh , Cave of Medusa , Cave of Ruins , and Sealed Cave . " Final Fantasy Legend II " . Cave of North is the first dungeon the player visits in the game . Both the Cave of Mountain and Cave of Light are visited on Apollo ' s World . " Final Fantasy Legend III " . The Southeast Cave is the first visited in the Past . The caves serves as a optional dungeon filled with valuable treasures . " Theatrhythm Final Fantasy Curtain Call " . A cavern and cave appears as the FMS and BMS for several dungeon and battle themes throughout the series :