Legacy Items

All magic items found in official 5e books or the SRD, which have not been updated here on this wiki, are considered "legacy items". As of this writing, there is no official system for determining market values of these items, nor how to craft them, so the rules below attempt to do just that.

Cost of Magic Items

All magic items have a level, which helps to determine price.

Base Price By Level

1	1000
2	2000
3	3000
4	4000
5	5000
6	6000
7	7000
8	8000
9	9000
10	10000
11	11000
12	12000
13	13000
14	14000
15	15000
16	16000
17	17000
18	18000
19	19000
20	20000

This is further modified by one or more factors:

Usefulness Factor

Modifier	Amount	Example
Generally useful item	x1	Primary weapon, suit of armor, casting implement
Secondary useful item	x0.5	Light offhand weapon, shield, dagger of humanoid bane
Occasional-use item	x0.25	feather fall, lens of comprehend languages, ogre-slaying knife
Very occasional use item	x0.1	Ring of commanding giant squids, boots of sure footing on peat bogs, Shrek-slaying knife

Power Factor

Modifier	Amount	Example
Constant or at-will use, forever	x3	invisibility, ring of sustenance
Constant or at-will use, but you pay the Mana cost	x2	(nothing in 5e)
Single charge consumable	x0.1	Potion, bomb
Multiple charge consumable	x0.1 per use	Rod of absorption (sort of), ring of nine lives
Lasts forever, but only usable X times/day	x0.5 per X	(dunno, probably something)
Doesn't actually produce an effect of its own, but modifies yours	x1	Wand of granting +1 to hit with fire spells, sword of +3 to hit goblins

Determining Item Level

5e SRD items can be converted by consulting the following chart: TBD

For other items, use the following:

Item Effect	Level Calculation	Example
Copies a spell	Appropriate level for a wizard to cast the spell (i.e. level 5 for Fireball)	Wand of Magic Missile: level 1
Copies multiple spells	As "copies a spell" for highest-level spell +1 for each additional spell within 4 levels, +0.5/spell for all others	Lesser Staff of Fire (fireball, wall of fire, burning hands): level 6
Grants a numeric bonus to a single type of die roll (e.g. attack rolls with a magic sword, Con saves, Stealth checks)¹	bonus x4	+5 longsword: level 20

Notes:

1: there is a special x0.5 cost modifier for numeric bonuses that are not applicable to combat.

Reference: 5e SRD Magic Items