‘ Stroke of luck” might appear during successful forge. It is rare event and benefits might include one of the following:
- it might not consume dusts;
- It might not consume Core’s;
- It might not consume GP;
- It might not consume second item (or tier will not be reduced)
The item also might not be consumed when forging is failed with items 0 tier when opting for 50% tier loss which costs one Core.
Based on video and comments by Zarakso: https://youtu.be/idm60um8WIw