Sometimes, your items become invisible in Runescape due to a couple of situations. First, an item may become invisible if there is too much lag for it to load in your bank or inventory.
An item can also turn invisible if a new update caused a bug. If it is a bug, please report it by going to the Runescape home page and scroll to the bottom where you'll find a section called 'Support'. Look for 'Submit a Bug Report' and follow the directions.
you can keep all your items but you can't use them in F2P.
Because its degraded and will sometimes turn to dust.
only after 10 years at the least if at all
There are 21 saradimin items on RuneScape.
No.
The only items that can become rare in runescape are ones that get discontinued. If you can get ahold of some P hats, Halloween masks, or Santa Hats, as they continue to disappear, their value will continue going up too.
The best items in RuneScape are Partyhats, Divine and Elysian Spirit Shields, and Christmas Crackers Moneywise.
There is no way to clone items on Runescape, this was however a commonly used scam to get players to give them items to supposedly clone, but they don't get cloned.
Members can sometimes get trimmed or gold-trimmed items from treasure trails. Non-members can buy them on the Grand Exchange.
Yes, after a while they will become saleable just like the Santa Hat used to be a holiday item.
While on RuneScape PVP worlds, if you die, you only lose the items you are carrying, not those in your bank, never in RuneScape will a death directly affect your banked items.
No. They do not.