Tank. Long range cannon keeps enemies away.
Strategy[]
Offensive: Hard Hitting and long range allows the Petrinax to fire its shells from a safe distance with a decent firing rate to keep up with the faster firing tanks, An Armored escort is needed for results may vary between battles.
Defensive: By itself its a pest but in large groups they can inflict enough damage against any tank within their range so it would be wise to have these units destroyed quickly.
Variant Specialty[]
This is the long range variant