In this regard, you must take extreme care when creating a word for a rune. Doubleand triple check that the item's type to ensure it is correctFor instance Insight, for D2R Items instance. Insight runeword may be created using staves and polearms but not spears. Also, put the runes out in the correct order prior to fitting them into the item.
There are a few intricacies when it comes to weapons and armor types that you should be aware of. "Body armor" is only items that are used to protect your torso. General "armor" includes shields, boots, gloves, helms, etc. Hammers will not work with maces-specific runewords. "Melee weapons" do not include firearms that are ranged, like bows and crossbows. Orbs are not also considered melee weapons.
When making runewords many are based on different stats, which determine the quality of the roll you've come up with. A well-constructed runeword roll is always worth greater than an inept roll. In the same way choosing the best runeword base (an item that has sockets) possible is always suggested. For instance, if you're creating a new runeword to be used on a mercenary, always make use of an Ethereal base. Mercenary weapons and armor won't lose durability, so you'll be able to get an increase in stats due to the Ethereal property and not worry about it ever breaking. Every little boost to stats counts when playing Diablo 2: Resurrected.
Runewords may be placed on any kind of character. They'll receive the runeword's bonuses unless otherwise stated. You can, for instance, put for example, a Beast runeword for a Sorceress and grant her the ability to transform into the form of a Werebear. This lets you play with different builds and gives players plenty of options in terms of buy D2R ladder items engaging playstyles.