The helios is, in my most humble opinion, the most bizarre of the new colossals. Its function appears to involve buffing, by something called a “force gate” and movement antics via its ranged attack. If I had to take a guess, I’d say the force abilities will be something akin to polarity field or Discordia‘s kinetic field. Both of which having uses in denying the enemy.
As with all colossals and gargantuans, the helios has two big and dangerous looking fists. This will very likely give it access to all the usual power attacks as well as being enough to crush any heavy it can reach.
As a Retribution warjack, the helios is also a myrmidon and given that it’s based on the hyperion’s design it’ll doubtless have a force generator. This will again most likely be tied to its sole ranged attack, the tractor beam. As the name suggests, this attack will be all about moving the model it hits. It causes no damage, but can move a hit model up to 3” in any direction. Rahn, a unit of battle mages and a magister solo would have great fun with this model, allowing for all manner of crazy movement hijinks, particularly on a feat turn or with a sphinx thrown in to lower defences to magic. Other casters might enjoy this as a way to pull models into range or force them into awkward positions.
The helios seems, at least so far, to serve an entirely different role to the hyperion. Where the hyperion is all about infantry clearing, with critical consume and auto fire, the helios seems to be focused on battlefield control and support. The lack of a damaging ranged weapon seems an odd choice for a Retribution warjack, but it’s still far too early to judge.
In any case, being the most enigmatic of the revealed colossals, it will be very interesting to see just what the “force gate” ability offers as well as seeing exactly what the full might of the helios will bring the Retribution.