EXP Scroll: Use to obtain hero EXP.

Evolution Pill: Use to evolve heroes.

Jenny: Use to enhance gear.

Refining Stone: Use to refine gear.

Code EXP: Use to obtain upgrade Codes.

Hero's Trial Open Time:

Monday, Wednesday, and Friday (Rewards: Jenny, Refining Stones, and Code EXP).

Tuesday, Thursday and Saturday (Rewards: Jenny, EXP Scrolls, and Evolution Pills).

All types of rewards are available on Sunday.

Each type of Hero's Trial can be challenged twice per day. Higher level challenges do not require challenge attempts.