Yagdra

Yagdra was a primal Zerg. It was native to the planet Zerus like all other primal Zerg. It was one of the primal Zerg pack leaders on zerus. It was centipede-like in appearance and was physically larger than most other primal Zerg. Its age is unknown. It also like all other primal Zerg had the ability to absorb the essence of its victims and was sapient. It tried to kill Sarah Kerrigan while she was transforming inside her chrysalis by sending its pack to destroy it but they failed and it once again tired to kill Kerrigan and this time in person when she approached it but this also failed and she kill it and absorbed its essence.