The Mission

Harmony is an innovative security system for eAthena based Ragnarok Online™ servers. It aims at providing a secure environment, allowing a better game experience for both the players and providers.
Using cutting-edge technologies, Harmony reliably blocks bots, hacks and other security threats. Serving thousands of players worldwide, it has proven itself as both a stable and secure solution.
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OpenKore gave up cracking it. Nuff said.

Itakou

Why Harmony?

Harmony v3 is based on a wide experience of Ragnarok Online™ security systems. Unlike other systems, Harmony directly utilizes the peculiarities of the game client and its network protocol to create a hack-free environment. Other solutions are vulnerable to low-level attacks, allowing generic bypasses.
Harmony was designed with that in mind, and therefore delivers a much more secure approach, making generic bypasses virtually impossible.