Tail Collector Tail Collector is a character in " Final Fantasy IV " , " " , and " Final Fantasy Dimensions " . The main purpose for this character is to exchange the collected tails for valuable pieces of equipment . Appearances . " Final Fantasy IV " . The Tail Collector can be found inside the Adamant Isle Grotto . The player will need the Hovercraft to reach the cave . Tail Locations . These two tails can be found in all versions : DS Tail Locations . Tails that are exclusive to the DS versions : The Tail Collector can be found in ? ? ? on the True Moon . The Tail Collector is found inside the tail collector ' s house , a new location of the Developer ' s Office . There are two other tail collectors in " The After Years " . One is in the Underground Waterway in Edward ' s Tale , and will trade a Gold Tail with him if he has the right number of Bronze and Silver Tails . During the first part of the Final Tale , the player can go to the Path to Babil to give a number of Small Tails to the tail collector ' s apprentice , in exchange for the Rainbow Tail or any other tail in the game . Tail Locations . In the final tale " The Crystals " , all colored Tails except the Rainbow Tail are dropped by specific enemies in specific locations during a specific Moon Phase . Some of these enemies can also be encountered in individual Tales . Tails can also be acquired in other ways . In Palom ' s Tale , a Black Tail can be found in the pub in Troia , but access into the areas where the tail is found costs a total of 159 , 999 gil for three memberships . Bronze and Silver Tails . In Edward ' s Tale , he can find Bronze and Silver Tails throughout the Tale , and enemies randomly drop them . A trader in the Underground Waterway will trade Bronze Tail x5 for a Silver Tail , and Silver Tail x5 for a Gold Tail . As enemies can potentially drop the lesser tails , this can be done more than once if the player can obtain the tails needed . The locations of Bronze and Silver Tails is as follows : This gives the player Bronze Tail x10 and Silver Tail x2 , Bronze Tail x5 short of the requirements for a Gold Tail . The others can be dropped by the following enemies found throughout Edward ' s Tale : Adamantoise , Alligator , Basilisk , Ettin Snake , Gigas Gator , Hundlegs , Hydra , Sand Worm , Splasher . All of these enemies may drop Bronze Tails , and all but the Adamantoise , Basilisk and Splasher can drop Silver Tails . However , Silver Tails are much rarer drops . Small Tails . In the final tale , around the world the player can find Small Tails , 21 in total . A trader in the Cave of Eblan will trade seven Small Tails for any colored tail of their choice , or fourteen Small Tails for a Rainbow Tail . This is the only way to get a Rainbow Tail . The locations of the Small Tails are as follows — note that many of the locations referred are unmarked locations on the overworld map : Small Tails are not to be confused with Small " Tales " , which are a Potion - like HP restoring consumable . They can be found throughout the tale alongside Small Tails but serve no purpose . " Final Fantasy Dimensions " . The Tail Collector of this game is a gnome that can be found inside the Moogle Cave , which is present an island situated northwest of the continent Castle Avalon is on . Tail Locations . Tails can be dropped by rare and powerful monsters that appear in separate sub - chapters that can be revisited at any time before the end of Chapter 3 . After that , the respective enemies that drop each tail are found in different locations . Every Tail may also be infrequently acquired as a reward for defeating three enemies in a row at the Coliseum .