ART2/GAARTY (NOD)

Explosive: Upon a hit, everything within 5 ft of the target must make a Dexterity saving throw (DC equal to 8 + your proficiency bonus + your Dexterity modifier) or suffer 1d8 fire damage.

Deploy: The vehicle needs to deploy to be able to fire.

Coordinates: You can call down an artillery strike when someone in your party is relaying that information to an artillery unit. But requires a skill check if you fail the artillery will miss in a 20ft radius like a circle. Intelligence Check or Wisdom Check. You use an action on this. The extra attack feature for classes doesn't work on vehicles. But this does require that you are in radio range.

Artillery Strike: You can call it down on a place that doesn't require an attack roll but you can't decide where it fires in that 20-ft radius.

Specific Target: If you target a creature or an object you have to roll for the attack roll.

155mm HE artillery cannon: Attack: +12 to hit, range 300/400 ft., 1 target. Hit: 25 (6d6 + 5) [Pierce] damage. And it deals double damage against Objets.

Explosive: Upon a hit, everything within 5 ft of the target must make a Dexterity saving throw (DC equal to 14) or suffer 6d8 fire damage.

GAARTY Deploy: It takes 1 bonus action to deploy and the vehicle is immobilized. While deployed it has +50 hit points

ART2 Undeploy: It takes 1 bonus action to undeploy and the vehicle can move freely, but cannot fire when undeployed it makes itself move vulnerable to -50 hit points if it's undeployed it cannot go under 0 hit points it will stand as deployed.