Greetings all!

I got some RNG loot that sounded really neat. It is a jeweled lute, green rarity, and says that it is supposed to give temp bonuses to attack, mag, res, and def. I put it through the blacksmith, used a whetstone, got this bad boy up to level 3, thinking that its gonna just SLAP some mobs.

I go into a match, and get nothing. I feel REALLY let down lol. No boost, nothing showing that I have some sort of buff, nada. Am I using it wrong, Did I miss something? I really do hope that I can get this thing to work. I have been lacking in the dmg department for party dungeons, and I figured Id just warcry, berserk, and have my temp boost active to basically double my damage.

Any suggestions or tips to get this to work?