The Tower of Druaga
T&amp;E Soft's Tokohiro Naito, the creator of action role-playing game "Hydlide" (1984), was influenced by "The Black Onyx", combined its RPG elements with the action gameplay of "The Tower of Druaga" (1984). "Hydlide" also borrowed the health meter mechanic from "The Black Onyx", and took it a step further with a regenerating health meter.