Trinimac's Valor is a light armor set. When you cast a damage shield on an ally, you have a 20% chance to call down a fragment of Trinimac that heals you and your allies for 3667 Health and damages enemies for 3667 Magic Damage in a 5 meter radius. This effect can occur once every 5 seconds.
Trinimac's Valor is part of the Orsinium DLC and drops in Wrothgar in the Overland content. You can also find it on Guild Traders. Each set item is bound on equip. You can acquire light armor, jewelry and weapons for this set in the Trinimac motif style.