This could support occasionnal players, yes, and could be linked to RP because when a player is offline we can imagine his toon is resting, especially if he is in a safe area.
The boost you accumulate should be proportional to your time offline, but with a maximum limit.
When the boost is active you would benefit 50% extra xp (calculated on base xp), taken out from the amount that have been accumulated. It could take like 22 hours offline to fully regenerate it : the ideal for a player who logs only in the evenings. The maximum extra xp amount you can accumulate could be setted in order for the boost to last during 1 or 2 hours of non-stop grinding (depend strongly of the player efficiency).
Additionnaly this could encourage people to make pauses, which is healthy.
The boost you accumulate should be proportional to your time offline, but with a maximum limit.
When the boost is active you would benefit 50% extra xp (calculated on base xp), taken out from the amount that have been accumulated. It could take like 22 hours offline to fully regenerate it : the ideal for a player who logs only in the evenings. The maximum extra xp amount you can accumulate could be setted in order for the boost to last during 1 or 2 hours of non-stop grinding (depend strongly of the player efficiency).
Additionnaly this could encourage people to make pauses, which is healthy.
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Beauté, curiosité, virtuosité !