1: Skills don't have shading & cannot have shading, except under the very rare case of a cleric under Ultraviolet Dance.
2: Requires main server linkage, which is impossible for private servers for very obvious reasons.
3: Bugged. Guess what item is required to be set in memory? Mysterious Chips. This item CANNOT be overwritten by another item (which is the case, Epic Coins overwrite that itemID slot.)