According to the Sectaurs Wikipedia entry, this line was released in 1985 rather than 1984 as indicated by the copyright on the packages.
The HYVE. Forbidden citadel of SYMBION's lost civilization -- and ancient repository of its awesome bio-control laboratory. Today, Good and Evil SECTAURS are locked in a deadly race to control the vast power and knowledge of the HYVE -- SYMBION's last link with its terrifying past. Who will uncover the HYVE's terrifying secrets? Will it be DARGON and his brave warriors? Or will it be GENERAL SPIDRAX and his evil henchmen?