Accelgor mourn the loss of their shell, and lose their first few battles after their evolution, learning the hard way that their new bodies are far too fragile to allow for a strategy based on shrugging off hits. Many Accelgor attempt to quit on their trainers after these frustrating defeats, but soon dejectedly return, because absent their shell's protection the wild is a far more terrifying place than the poke ball.
Accelgor trainers must use this opportunity to teach them the new way in which these pokemon must fight – a transformation in strategy which has few parallels among evolving pokemon, even when acknowledging the species which change types, and those who until evolution are too weak to fight at all. Accelgor take well to these new techniques, however, once they learn the wisdom behind them; if a metal shell can not protect them, they must become so fast and powerful that their speed can become a new shell, in order to take down their opponents before suffering a single blow.
In more warlike eras, Accelgor would serve as spies and assassins, for once properly trained they became so confident in their speed that they did not fear even armies. This is not to say that they had lost their fear of pain; when wounded, they realized their fragility, and ran away as quickly as they had volunteered. But this was not a bad thing, for they were always so outnumbered in their missions that a braver man or pokemon would have thrown their life away, while Accelgor lived to fight again. Today, an Accelgor's cowardice can be more frustrating to trainers, for they can only U-Turn and survive at a teammate's expense. However, Accelgor's strikes are so powerful that it is often worth their comrades' sacrifice.