Fluffring

Fluffring spawns at a low chance when you use the healer. The chance is increased during the EXP event.
An announcement will appear when a Fluffring has spawned with the information on which map you have to search.
Fluffring mechanics:

Fluffring will have a random amount of HP between 1 and 7
Fluffring will teleport on each hit
Fluffring can be attacked in close combat only (if you are ranged class, your character will walk as if you are melee)
Fluffring's HP bar will be hidden
Last Hitter will receive a random Poke Pal costume

Costumes

Costumes can be rerolled using a Poke/Pal Reroll Egg (50206) which can be obtained from the cash shop.

Costume Bulbasaur Hat (40041)
Costume Charmander Hat (40042)
Costume Squirtle Hat (40043)
Costume Eevee Hat (40044)
Costume Pikachu Hat (40045)
Costume Cyndaquil Hat (40046)
Costume Chikorita Hat (40047)
Costume Totodile Hat (40048)
Costume Blastoise Hat (40085)
Costume Charizard Hat (40092)
Costume Charmeleon Hat (40093)
Costume Gengar Hat (40094)
Costume Ivysaur Hat (40095)
Costume Mew Hat (40096)
Costume Venusaur Hat (40097)
Costume Wartortle Hat (40098)
Costume Arcanine Hat (40105)
Costume Ash's Pikachu Hat (40106)
Costume Butterfree Hat (40107)
Costume Captainchu Hat (40108)
Costume Caterpie Hat (40109)
Costume Charlink Hat (40110)
Costume Clefable Hat (40111)
Costume Dark Mew Hat (40112)
Costume Deadchu Hat (40113)
Costume Gengar The Inevitable Hat (40114)
Costume Metapod Hat (40115)
Costume Princess Eevee Hat (40116)
Costume Totoloki Hat (40117)
Costume Flareon (61029)
Costume Slowpoke (61030)
Costume Vaporeon (61031)
Costume Vulpix (61032)
Costume Jolteon (61280)
Costume Togepi (61282)
Costume Mossanda (90283)
Costume Crocheted Magikarp (62691)
Costume Shiny Crocheted Magikarp (62699)
Costume Articuno Hat (63580)
Costume Dragonite Hat (63581)
Costume Crocheted Gyarados (63583)
Costume Crocheted Red Gyarados (63588)
Costume Meowth Hat (63584)
Costume Moltres Hat (63585)
Costume Snorlax Hat (63589)
Costume Zapdos Hat (63590)