Songcasting is how mer produce spells; through their voice. They sing songspells to do create spells. Neria strengthened the merpeople's voices, allowing their voices to carry through the water.

There are four types of songcasting:

  • Canta prax, also known as plain song.
  • Canta mirus, also known as special song.
  • Canta malus, also known as dark song.
  • Canta sangua, also known as blood song.