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HGd10PHB - Spell Aspect - Duration

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Duration - Aspect Edit

Duration of a spell applies to spells that last longer than it takes for them to do their job once, right after they are cast. Many attack spells don't have duration because they are one off spells that don't make sense to last beyond the time of first effect. For all other spells, duration is a major aspect to its effectiveness and its difficulty. Duration can be in seconds, turns, rounds, or longer based on the chart in the Spell Construction section. Duration describes only the active duration of the spell, not any lingering effects or consequences after the spell itself ceases. For example, a Fan of Flame has a duration of None. It does its damage once and then the spell ends. However, it can potentially catch flammable materials on fire and those may continue to burn on their own outside the spell's duration.

Primary Characteristic = Constitution or Spirit

Secondary Characteristic = Wisdom or Strength

Spell Construction Edit

For spells that have duration of None, it means that they only take the smallest fraction of time to manifest. Practically speaking, once the effect of the spell happens, it's over. A duration of None has no cost associated with it. For all others, add the following cost to the spell during its construction:

Spell Duration Increments Edit

  • Each additional second = 1
  • Each additional Player Turn = 2
  • 1 round and each additional round = 5
  • 1 minute and each additional minute= 10
  • 1 hour and each additional hour = 50
  • 1 day and each additional day = 1000
  • 1 month and each additional month = 25,000
  • 1 year and each additional year = 200,000

Spells the last for more than a second typically roll new checks or have effects that repeat after a certain time span referred to as 'ticks' (as in ticks of the clock). The cost for frequency of ticks is calculated by multiplying the duration by the multiplier. This number is then added to the overall cost of the spell. Spells with a Duration of None are treated as having a Duration of 0 for the purposes of this chart. Spells that expire before the next tick do not trigger their effect again.

Spell Effect Ticks Edit

  • Once per Second = Duration * 10
  • Once per Player Turn = Duration * 5
  • Once per Round = Duration * 2
  • Once per Minute = Duration * 1
  • Once per Hour = Duration * 1/50
  • Once per Day = Duration * 1/1000
  • Once per Week = Duration * 1/7000
  • Once per Month = Duration * 1/25,000
  • Once per Year = Duration * 1/200,000

Extending Spells Edit

Spell duration can be extended by one additional unit of the spells current duration increments for an additional expenditure of Endurance (EDR). So a spell with a duration of 2 rounds may be extended 1 additional round per expenditure of EDR. The EDR to extend the spell duration does not have to be at the time of casting so long as it is done before the duration of the spell expires. The EDR cost to extend a spell's duration is 5 EDR * Duration cost of the spell.

For example, a Regeneration spell is cast with a duration of 1 Round. The duration cost of 1 Round is 5. To extend the spell's effect an additional Round costs 5 * 5 or 25 EDR for each additional Round.

Tick rate cannot be improved on the fly.

Traits and Foibles can further modify duration and tick rates.

Navigation Edit

Aspects Edit

Hero's Guild Players Handbook Home Edit

Chapter 1 - Creature Kinds Edit

Chapter 2 - Base Characteristics Edit

Chapter 3 - Skills Edit

Chapter 4 - Traits and Foibles Edit

Chapter 5 - Physical Combat Skills Edit

Chapter 6 - Mystical Skills Edit

Chapter 7 - Equipment Edit

Chapter 8 - Crafting Edit

Chapter 9 - Social and Movement Skills Edit

Chapter 10 - AppendixEdit

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