According to the Entropy description:
Tears at the target's defenses, shifting attack results against the target from Hits to Critical Hits. After receiving a certain number of strikes, this effect will fade.
A certain number of strikes intimely stand for 3 strikes, wich includes criticals hits from rolls and others conversions bonus. For a Tiers 8 spell, this is disappointing.
But in reality, it is not totally true ! I said approximately the same comment about the Ca