Holon trode/neton

[meganium_ex_killer]

Crushing blow states to flip acoin.if heads,discard an energy attache to the defending pokemon.
What if hon trode/neton is the only one attached?It states that it provides 2 Energy.Will it get discarded or not?

 

[PokePop]

Yes, if you discard one of it's energies, the other one gets dragged along to the discard pile.