Short answers, pulled from the story.
The first action role-playing game was released in September 1984. Dragon Slayer created by Yoshio Kiya for the PC-8801 computer shattered established rules by demanding real-time sword swinging instead of menu commands.
Yoshio Kiya created the game Dragon Slayer for the PC-8801 computer. This title introduced a hack-and-slash combat system that required direct immediate input from the player.
Hydlide released in December 1984. This game became the first action RPG to feature an overworld and sold 2 million copies across all platforms.
Diablo launched in 1996. This game developed by Blizzard North introduced a click-to-move system and offered a free online service called Battle.net.
FromSoftware released Demon's Souls in 2009. This title emphasized hard enemies and environments combined with risk-and-reward mechanics such as limited checkpoints and player death penalties.
Elden Ring surpassed 25 million sales within its first few years. This game mixed open-world exploration with Soulslike combat and systems to sweep Game of the Year honors.