Normal one increases max melee hit by 1 and imbued max melee hit by 2. It won’t increase accuracy or deal more damage for magic/ranged.

A berserker ring (i) is the upgraded version of a regular berserker ring. It can be imbued as a reward from playing the Soul Wars Minigame from either Nomad, Zimberfizz, Zimberfizz ashes, or Zanik at the cost of 8 Zeal or from Stanley Limelight for 180 thaler.

The berserker ring (i) is the imbued version of the berserker ring, a Fremennik ring. The imbue doubles its strength and crush defence bonuses. It is popular due to there only being two rings with strength bonus, the other being the brimstone ring.

the Dagannoth Rex
The berserker ring is one of the Fremennik rings and is dropped by the Dagannoth Rex in the Waterbirth Island Dungeon. It can be imbued by Zimberfizz or Zanik at Soul Wars, turning it into a berserker ring (i) at a cost of 8 zeal.

People have done some crazy calculations and figured out that B ring beats W ring in terms of dps against every monster, even ones with crazy high defence like corp. The only places a warrior ring is better are super heavy cannon tasks.

Occasionally infuses the wearer with “warrior energy” after slaying a monster.

Brimstone rings cannot be imbued.

The ring of suffering is an enchanted zenyte ring. It is the best-in-slot defensive ring, with the exception of its imbued variant. This ring can be imbued into a ring of suffering (i) using 725,000 Nightmare Zone reward points or 300 Zeal Tokens from Soul Wars, which doubles all of its equipment bonuses.

The total amount of points required to imbue any of the Fremennik rings is 650,000. In general, it is more commonly used than the other melee rings as it raises the player’s maximum hit.