Roshi's chase has a high scaling rate.

The chase hurts a lot if your resistance is a lot lower than roshi's nin.

The chase does very little dmg if you have high resistance.

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For comparison, tendo's acu chase has a low scaling.

The chase hurts a lot even if you have high resistance.

The chase doesn't hurt that much more if your resistance is a lot lower than tendo's nin.

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If roshi's 30 chase is 1 shotting your team, then your team would also instantly die to a sage naruto or gnw1010 mystery..