Economy Guides / Item rolls

How Item Rolls Affect Value

Two items with the same name can differ tenfold in price, and the difference is usually one number on one line. Which modifiers carry the value, why the pricing is not linear, and how to work out what you are holding.

Most modifiers in this game have a range rather than a fixed value. The same modifier can appear at the bottom of its bracket or the top, and everything in between, which means two items sharing a name and a modifier list can be entirely different products.

That is why an economy page shows several rows for one item name, and why variants are priced separately. What it does not show is how value scales with roll quality, which turns out to be the part that matters.

Value is not linear with roll quality

The intuitive model is that a better roll is proportionally more valuable. A roll halfway up the range is worth roughly half of a perfect one. That model is wrong in a specific and expensive way.

Price against roll quality Illustrative shape, not data

The flat middle Most of the range. A roll at 40% and one at 65% sell for nearly the same, because neither is good enough to search for specifically.

The lift Where a roll starts appearing in other people's search filters. Price begins climbing meaningfully rather than incrementally.

The tail The top few percent, where supply collapses. This is where a factor of ten hides, and where most of an item's total value sits.

The practical consequence is blunt. Improving a mediocre roll to a slightly better mediocre roll is worth almost nothing. Improving a good roll to an excellent one can multiply the price. Crafting effort spent in the flat region is effort wasted, and this is where most of it goes.

Nearly all of an item's price lives in the last few percent of its range, and nearly all of the items in existence live in the flat part before it.

Breakpoints beat percentiles

There is a second pattern layered on top, and it overrides the curve entirely when it applies. Sometimes a specific number matters far more than being generally high, because crossing it changes what the item can do.

Higher, but useless

+41%

A strong roll that leaves you one point short of capping a resistance. You still need another item to fix the gap, so this one solves nothing the cheaper version did not.

Lower, but decisive

+38%

A worse roll that happens to be exactly enough, given what the rest of your gear provides. It frees a slot elsewhere, and to the right buyer that is worth considerably more than three percentage points.

That asymmetry is why "is this a good roll" is the wrong question when buying. The right question is does this specific number let me stop worrying about something — capping resistances, hitting a life threshold, reaching a speed breakpoint. A roll that closes a gap is worth more than a higher roll that does not.

Selling works the other way round. You cannot know which buyer needs which threshold, so you price against the range and let buyers self-select.

Which modifiers actually carry the value

On most items, one or two modifiers decide the price and the rest are decoration. Knowing which tier each mod falls into is most of pricing.

Price-defining

The reason the item exists

The primary damage modifier on a weapon, life or energy shield on body armour, movement speed on boots. One or two per item at most. These are what buyers filter for, and a high roll here moves the price by multiples rather than percentages.

If you only check one line before pricing an item, check this one.

Supporting

Stats that gate usability

Resistances, attributes, and anything else a build needs a certain amount of but does not want beyond that. Value here is almost entirely about breakpoints — enough is worth a lot and more than enough is worth nothing extra.

A resistance roll matters intensely up to the cap and stops mattering the moment it is exceeded.

Decoration

Present, unpriced

Everything else. Modifiers that are mildly nice, situationally relevant, or simply occupying a slot. A perfect roll on one of these changes nothing about the price, because nobody is searching for it.

Most items are mostly decoration, which is why most items are cheap.

The rule underneath all of it

Worth memorising

An item is worth what a buyer searching for it can find. A perfect roll on a modifier nobody filters for is invisible, and invisible sells at base price.

Value does not come from an item being good. It comes from an item being findable by someone who needs exactly that. That is why the price-defining modifier dominates: it is the one people put in the search box, and everything else is discovered after the buyer has already decided to look.

This explains a lot of otherwise confusing behaviour. It is why two items that look comparable to a new player sell for wildly different amounts, why an item with one excellent stat beats one with five decent ones, and why the genuine bargains tend to be unusual rolls that a seller priced by name without reading.

Uniques and rares roll differently

The mechanics are not the same, and neither is how you price them.

Unique items

Modifiers: Fixed set, same on every copy. Only the values vary.

Comparable: Yes. Two copies differ only by their numbers, which makes a summary price meaningful.

Pricing: Read the row matching your roll bracket. Economy pages separate these for exactly this reason.

Watch for: Corruption. A corrupted copy is a separate item with a separate price, in either direction.

Rare items

Modifiers: Random combination drawn from a large pool, each with its own range.

Comparable: No. Two rares of the same base can differ by orders of magnitude while looking similar.

Pricing: No summary exists or can exist. Search the trade site by your actual modifiers and compare live listings.

Watch for: Items where one price-defining mod is excellent and the rest are filler. Those are frequently underpriced by their owners.

Pricing your own roll in four steps

Identify the price-defining modifier Ask what the item exists to provide. That line is where the value is, and everything else is context.

Work out where in the range it sits Not the absolute number, the position within its bracket. A big number in a big range can be a mediocre roll.

Search live listings with that as a minimum On the official trade site, set your roll as the floor and see what comparable items are actually listed at. This is the only reliable pricing method for anything unusual.

Check how many results come back Dozens means an ordinary item and an ordinary price. A handful means you are in the tail of the curve, and it is worth spending longer getting the number right. See how far to trust a thin figure.

When a high roll does not matter

Three situations where chasing the top of the range is the wrong call, and where a mid-range roll is the correct purchase.

When you are already past the breakpoint. If a cheaper roll caps what needs capping, the expensive one buys you a number you cannot use. When the modifier is decoration on your build, however impressive it looks in isolation. And early in a league, when the same item will be substantially cheaper in three weeks and your character is not ready to need it yet.

The single most expensive habit around rolls is treating a higher number as automatically better. It is better when it crosses a threshold, when it is on the line that defines the item, and when someone is searching for it. Otherwise it is a larger number and the same item.

Go deeper Item Prices How one figure is computed from thousands of listings, and why variants are priced apart. Related Why Cheap Listings Mislead Six kinds of suspiciously cheap listing, and why unusual rolls are the real bargain. Timing How League Age Changes Prices Four item categories on four different schedules, and when to buy each. Four chapters Economy Guides Currency, item prices, price history and trading, following one price end to end.