Rubybrood Zerg Charger are result of altering Screamers with Primal Zerg genetic material. Particular genetic material combined with particular creature resulted in ultimate anti-defense units among Rubybrood Zergs.

In the end Laura the Saber Of Blood managed to create elite guard for herself by altering some of already present Hand Maidens with Scantid genetic material. This resulted in lesser versions of herself. The Rubybrood Zerg Manticores.

(Zergs belongs to Blizzard)