1. The Naruto fandom has been using an iconic OST (Ost) from the anime to "troll" My Hero Academia fans, suggesting that Deku's fate in the series may be similar to that of Naruto's character, Naruto Uzumaki. This comes after the recent reveal of Deku's fate in the My Hero Academia manga, which has sparked intense discussions and debates within the anime community.

2. The Naruto fandom's use of the iconic OST, specifically the "Sadness and Sorrow" track, is seen as a way to mock and taunt My Hero Academia fans, implying that Deku's storyline may take a tragic turn, similar to Naruto's journey. This tactic has been employed by Naruto fans to express their dissatisfaction with the perceived similarities between the two series and their main protagonists.

3. The article also delves into the lengthy filler arc in the Naruto anime, which lasted for over 8 years, and how this experience has shaped the Naruto fandom's perception of long-running anime series. This background provides context for the Naruto fandom's reactions to the recent developments in My Hero Academia, as they anticipate the possibility of a similarly drawn-out narrative for Deku's character.