Understanding how Pokémon learn and forget moves is essential for any competitive player or enthusiast, and the specific mechanics surrounding HM moves add a unique layer to this system. The question of whether a Pokémon can forget HM moves is not a simple yes or no, as the answer has evolved significantly across different generations of the games. Historically, HMs were treated as permanent badges of utility, but modern titles have introduced more flexibility, allowing players to manage their move pools without sacrificing essential progression tools.
The Evolution of HM Mechanics Across Generations
In the original Game Boy titles and the subsequent generations up to Black and White, HMs were locked into a Pokémon's move set once taught. The only method to remove an HM was to use a specific item like the HM Eraser, which was a rare and valuable commodity. This created a significant strategic dilemma where using a move like Surf or Cut meant sacrificing a valuable move slot permanently, forcing players to carefully consider which utility moves were worth the commitment.
The Introduction of Move Deleters
The landscape changed dramatically starting with Generation IV, where the introduction of the Move Deleter provided a new solution. Located in specific in-game locations, this character allowed players to permanently remove any move, including HMs, from a Pokémon's memory. This shift transformed HM management from a permanent investment into a temporary one, granting trainers the freedom to experiment with different movesets without the fear of losing a crucial progression tool.
Further enhancing this flexibility, Generation V brought the Move Relearner into prominence. Not only could players now forget HMs, but they could also relearn them at any time from a Move Relearner, typically found in the respective game’s central city. This mechanic ensured that while a Pokémon might temporarily lose an HM like Rock Smash during level-up evolution, the move was never truly gone, reducing the anxiety associated with teaching these vital skills.
Current Generation Mechanics and Restrictions
In the most recent generations, particularly Sword and Shield and Scarlet and Violet, the handling of HMs has become even more streamlined. Many games now allow HMs to be forgotten immediately upon learning, treating them just like any other Technical Machine (TM) or level-up move. This design choice reflects the developers' understanding that HMs should be tools for the player, rather than restrictive shackles that limit team building or exploration.
Strategic Implications for Competitive Training
For competitive players, the ability to manage HM moves is a critical aspect of team optimization. Since HMs often have lower base power or less accuracy than their TM counterparts, the goal is usually to retain the utility of the move without occupying a precious move slot. By using tutoring services or event moves, trainers can preserve the HM effect while freeing up the slot for a damaging attack or a supportive move, creating a more balanced and effective Pokémon.
