Luck

Luck is a new system, not something that has been active in the past. While various systems have more or less performance based on luck (in the literal sense of how reliant they are on a RNG), there has been no luck stat before now. The objective of luck from a mechanical standpoint is to tweak RNGs rather than having an otherwise impossible effect.

Range of Values

The range of Luck is:

Adjective	Value
Divine	+3
Very Lucky	+2
Lucky	+1
Average	0
Unlucky	-1
Very Unlucky	-2
Abysmal	-3

These adjectives are discrete values rather than ranges. The entire range of Luck is +3 to -3.

Practical Use

The main things luck interfaces with is the magic and stealth systems. There's a few places here and there beyond that but that's the major bit.

Effect of Luck

This is, by intention, going to be variable from system to system that we touch. Luck as a concept is slippery and hard to define, and some activities are more prone to it than others. But that's also a very unsatisfying explanation from a technical standpoint, so I'd like to go a bit deeper.

Here are a few concepts I'm running with while implementing Luck into the game. Note that these are not ironbound rules and they may face changes as we go forward, but it's what I'm dealing with now.

1. Average is default. Luck manipulation isn't necessary to get a fair roll on an RNG (insofar as the GM who invented the system defined 'fair').
2. When microtrans money is directly concerned, Luck does not apply. For example, Luck will not apply to the small RNG in Su Helmas event currency.
3. In general, Luck is either additive to results (such as in Lumberjacking, you may be "lucky" and gain more material) or modifying existing RNGs (such as in stealth, it will skew the RNG). We are not in general making things more random to accommodate the system.

Luck is mainly designed along a two-prong system. Something for Traders/Moon Mages to be concerned about, and then a microtrans-oriented outlet for it as well. If neither "prong" is interesting to the individual, it's designed to be something that can be safely ignored and not interfere with your play.

No benefits to being unlucky are currently planned.

Power and Duration of Effect

Like the core effect, the power of luck is going to vary based on the system's needs and capabilities. In general, I am looking at staying within the pre-defined ranges of how powerful the RNG was already set and not expanding it.

Duration will be variable based on how the luck effect is achieved, but in general we're looking at the following in terms of uptime:

Value	Duration
3	10% uptime
2	33% uptime
1	66% uptime

Access to Luck Manipulation Effects

There will be three forms of luck manipulation in the near future. First, Traders will gain a new speculate that gives them a +Luck bonus. Second, Moon Mages will gain a teleologic sorcery spell that allows them to steal luck. Finally, Su Helmas will make available luck-manipulating devices that anyone can use if they choose to acquire them.

We've had internal discussions of a granting a third guild native access to luck manipulation, but the plans for that are still tentative enough that I don't feel comfortable pointing a finger yet.

Examples of Luck

Mining

Waves of debris spill forth as you repeatedly strike the earth with your [tool]. When the dust clears, both a [stone] and a [metal] are visible on the ground.
Roundtime: 6 sec.
A series of lucky events results in some additional ore being found.

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