115 Kapi

Kapi is the poison the Adama family uses to return to the soil. William Adama Sr. and his wife, Isabelle, gave it to their sons, Joseph and Sam, when they were children. Their parents had knowledge of the Ha'la'tha resistance. Their enemies could use Joseph and Samuel against them to acquire this knowledge. ("Dirteaters")

Thirty years later, Joseph and Sam use the kapi to kill the Guatrau to avenge Willie's death. ("Apotheosis")