Wind scroll

Wind scroll is and Item that is used to increase the range of characters attacks. It only applies to weapon based swings, attacks based on shockwaves, or energy won't benefit from it.

Appearances
Wind Scroll is an Item that appears, or at least it's affects in almost all Dynasty Warriors Games It appears as both a unique Item and weapon effect in Dynasty Warriors 3. It also appears in Dynasty Warriors 4 solely as an item you unlock under specific conditions, listed in unlocking section, it is in it's strongest in this game. It also appears like this in Dynasty Warriors 5 as the same purpose. Dynasty Warriors 6 gets rid of Items but it appears as a weapon type. If you get a green, or standard weapon as your renbu goes up your range increases, or in the cases of Sun Shang Xiang and Yue Ying the distance of their arrows increases. The effects also appear in Warriors Orochi (Series) as a weapon effect, Range, which at max doubles the reach of your weapon

How to Unlock
Wind scroll is mostly an unlockable Item. The methods to unlock it are listed below are listed below:

Dynasty Warriors 4-Xu Chang(Shu Side)- When sieging the castle protect the rearguard(kill Xu Zhu) and raise the siege ramp(helps to kill Xiahou Dun). Item appears in North west Passage.

Dynasty Warriors 5-He Fei Castle(Wu Side)-Kill Cao Ren in 5 minutes of the stage. Hint: go round the inner sides, Do not wait for the ram or boulder! Item appears in northeast.