Can you check if the following script in rebellion scarf works? I tried wearing 2 of them and doesn't get any effect.
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Adds a 100% chance of buffing the user for 50 seconds when using Crimson Marker; Adds a 1% chance of casting Level 1 Dragon Tail on the target when performing a physical attack per level of Dragon Tail known, if a higher level of this skill is known, it will be cast instead.