Write the possible story for "Monster Hunter Stories 3: Petals of Pandemonium".

(Player Character: Slash)

(Chapter 1 battle buddy: Silence)

(Monsties available: Aptonoth, Velocidrome, Kulu-Ya-Ku, Bulldrome, Pukei-Pukei, Bazelgeuse, Sand Barioth, Deviljho, Stygian Zinogre, Seregios, Rathalos, Azure Rathalos, Rajang, Dreadking Rathalos)

(First monstie obtained: Dreadking Ratha)

(Chapter 1 location: Hakolo Island)

("Monster Hunter Stories 3: Petals of Pandemonium" takes place several years after "Monster Hunter Stories 2: Wings of Ruin")