Instead of the passive way of getting a purge as an event, allow players to make a sacrifice at its base to active a purge:
- allow offer sacrifice at a craftable station;
- the sacrifice item shall be the collectible head;
- each type of head shall have its own difficulty value(DV);
- DV of a head shall depends on if it’s easy to access or no;
- shall be able to offer multiple heads at a time;
- once the sacrifice is offered, trigger the purge depends on the total DV;
- clear the purge meter afterward.
Why?
- a clan event that is interesting to participate by its members;
- less frustration on waiting for a purge;
- play the purge feature even in a “safe” area;
- easy to determine the difficultly of a purge;
- somehow controllable timing on receiving a purge.
Alternative Way Doing It:
- the difficulty of a purge depends on the level of the player who offer it, rather than total DV from heads.
- the summoner of a purge controls the boss creature of this purge like the avantar, use this purge to assault a foe’s base.