Did you make a mistake on your build? Do you need to reset your skills or stats? kRO has few methods to help you fix that.

/navi izlude 127/175Copied!

Talk to Hypnotist in Izlude to reset your skills and stats if you meet the following requirements:

• Player must be 1st Job (any level) or Expanded Job (below level 50).
• Player must have 0 weight, 0 zeny and no mount.

/navi geffen 142/203Copied!

After special maintenances such as Balance Changes or Emergency Maintenances, Gravity may enable the Event Skill/Stat Resetter in Geffen.

Talk to the Novice in Geffen to reset your skills and stats if you meet the following requirements:

• Player must be below 500 weight and have no mount.
• No level requirement to use this NPC.

For skills:

• Neuralizer purchasable from other players or Cash Shop.

For stats:

• Status specific Soul Potions from players or obtain from Hugel Racing. These potions removes 1 stat point to reuse.
• Status Reset Coupon Box purchasable in Cash Shop.

Sources:
http://www.inven.co.kr/board/ro/1957/1735
https://ro.gnjoy.com/news/notice/View.asp?seq=73017