Robert Latham
Robert Latham asked Andrew Rowe:

This question contains spoilers… (view spoiler)

Andrew Rowe He could theoretically do something like this, but mana crystals are brittle, and long-ranged physical attacks are generally not particularly effective against anyone with a shroud. Things like ordinary bullets and arrows aren't generally very useful against attuned, either, especially at higher levels. Some characters eventually learn how to work around that problem to some degree (like wrapping energy around bullets to help them pierce defenses), but crystals aren't really effective as weapons, at least most of the time.

There may be ways to make a technique like that work if you could deliberately make crystals that are volatile enough to explode on contact with an enemy shroud, but this would be dangerous and require a level of technical proficiency beyond what Corin currently has.

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