Unbreakable Cyborg is a 2-star base gold Tech Class Hero.
His shards can be obtained in Campaign chapter 2, battle 24. He is the very first gold hero obtainable this way in the game.
Special 1: EMP-1.2 power bar drained, 619 damage. 4 power bar cost
Sonic Blast-10% Chance to stun, 929 damage. 4 power bar cost.
Total Meltdown, 1858 damage. 7 power bar cost,