Spell creation and some other misc. stuff for mods

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Also, is there a way to set up moddifers on items or unique items that negate or minimize certain spells? Say I have "boots of haste" which makes the character impervious to web spells? Or what about items or moddifers that speed up the character in game? Or reduce hunger rate in game?

Is there a way to set it up that the use of certain items or spells cause damage to the character?

How would we create a spell that hits only monsters that are standing right next to you- but not any further?

Is there a way to do a controled teleport spell, instead of just random?

What about spells or skills or items that reveal portions of the map?

Is there a way to set it up so that a ranger character has a skill or spell for arrows so that he dosen't need to carry arrows to use his bow? To me, that would make the Ranger type character worthwhile... anyone else? Maybe a "create item" skill/spell would do the trick.