Bionical Mechanicus

Acid Resiliant. Whenever mechanicus is subject to Acid, it takes half damage on a succesful Constitution save. If Consitiution Fails he takes full damages.

Modular Stand. During each round, the mech can transform between his humanoid form to weapon stand. Each time it transforms it stays in its form for that round till the next round. When in weapon stand, the owner can place a ranged weapon and use its traits with Advantage to its weapon hit.

Grapel Hook. Mechanicus can shoot out 200ft of rope (100ft per arm).

Titainium Frame. Mechanicus can carry up to 250lb in his backpack without suffering any penalties to movment or when in combat.

Multiattack. Bionical can make two attacks, using Arm blades or Longsword in any combination.

Heavy Weapon. Bionical can shoot his heavy weapon; Railgun, but it will use up his Action and movment when in combat and negates his bonus actions he has. The weapon also has a cool down of 2 rounds.

Arm blades. Melee Weapon Attack: +5, reach 5 ft. Hit: 2 (1d6 +2). Slashing damaged.

Longsword. Melee Weapon Roll: +7, reach 5 ft. Hit: 4 (1d6 +4). Slashing damaged.

Railgun. Ranged Weapon Roll:  +10, reach 70/300 ft. Hit: 2 (2d100+2). Piercing damage. The railgun fires in a beam like hit. Any creatures in a 10 ft radius of the beam must make a wisdom save throw DC 17.