Mercenary Upgrade 3

Gives your mercenary the third level upgrade.

Razorfin - Two Razorfins will spawn for you in each wave.

Ironback - Your Ironback deals 325% damage to enemy structures. The shield cooldown is further reduced to 3 seconds, and while active, your Ironback takes 60% reduced damage from minions.

Plundercrab - Your Plundercrab has +150 attack range. Your Plundercrab's on-hit bonus now also applies when hitting enemy minions, and it will now shoot an additional cannonball at all nearby enemy champions.

Ocklepod - Your Ocklepods have 30 Magic Resistance, and their base shield strength is increased to 300. Your Ocklepods' Clairvoyance are now cast every 10 seconds.