[Markus is quiet only for a beat, running possibilities through his mind, trying to offer a way synergize his own abilities in tandem with their own. His ‘shield thing’, as Cain would put it, remains relatively straightforward in application. It is meant to protect, to block, to be immovable — which upon first thought would seem counterproductive to what they're trying to accomplish.]

If we’re avoiding touching it, my shields are going to be the only thing I can offer to help. I can put some force behind it; use it to dislodge the spear from the roots if we can get it loose enough.

[They might remember Markus’ rather forceful application of his shield against a UNA soldier, ramming them aside and away. The same concept applies here.]

Maybe act as a barrier between the spear and the roots if need be.

[Honestly, however, he thinks that it's Cain's power that will make or break their success.]