An addon to add interesting challenge modes to existing Guild Wars 2 encounters. It can enhance existing mechanics to make them more punishing, or it can add new mechanics. This can fundamentally change an encounter, and it requires everyone in the squad to be using the addon and be up to the challenge.
Right now it contains one playable fight: Cairn CCM. I have carefully designed this fight to contain interesting and challenging new mechanics, with the intended difficulty somewhere between recent CM and LCM releases.