Reward distribution is one of the least visible systems in a role-playing game and one of the most influential. It quietly determines where players spend their time.
A loot table is a set of weighted possibilities
Behind each defeated enemy or opened container sits a list of possible items, each with a weight that determines how often it is chosen relative to the others.
Tables are usually layered, with a first roll deciding rarity and a second selecting an item within that tier, which lets designers adjust scarcity without rewriting the contents.
Because the weights are tuned rather than natural, every apparent stroke of luck is a designed frequency the player is experiencing one sample at a time.
Scarcity is what makes a reward legible
If a powerful item drops constantly it stops being a reward, since the player's power is determined by the schedule rather than by anything they did.
Making it rare restores meaning, but pure rarity produces long stretches where nothing happens, and those stretches are where players stop playing.
The usual answer is a layered stream of small frequent rewards under occasional large ones, so progress is continuous while significance is reserved.
Where loot comes from is where players go
Players optimise towards whatever yields the best rewards per hour, and they find the most efficient route quickly regardless of what the designer intended.
If a repetitive activity has the best table, that activity becomes the game, and the carefully built content elsewhere goes unseen.
Designers therefore attach the strongest rewards to the experiences they want played, which is why difficult encounters and endgame activities hold the best tables.
Bad luck protection smooths the experience
Random systems produce players who receive nothing for long periods purely by chance, and their experience of the game bears no relation to its intended pacing.
Many designs now track how long since a rare reward and raise the chance progressively, or guarantee one after a defined number of attempts.
This narrows the gap between the luckiest and unluckiest players without removing the uncertainty that makes each attempt feel open.
Targeted acquisition is the modern compromise
Pure randomness frustrates players who need one specific item, since the odds of that item appearing may be very small even when rewards are frequent.
Currencies earned from duplicates, crafting systems and vendors that sell known items all provide a slower route that is guaranteed to arrive.
The combination keeps random discovery exciting while ensuring persistence eventually works, which is what stops a long-running game from feeling arbitrary.