====== PROGRESS_TIER_DATA ======
[[:api:progress_tier_data| API documentation]]
  * PROGRESS_TIER_CLERGY_T1
  * PROGRESS_TIER_CLERGY_T2
  * PROGRESS_TIER_CLERGY_T3
  * PROGRESS_TIER_CLERGY_T4
  * PROGRESS_TIER_CLERGY_T5
  * PROGRESS_TIER_COMMON_T1
  * PROGRESS_TIER_COMMON_T2
  * PROGRESS_TIER_COMMON_T3
  * PROGRESS_TIER_COMMON_T4
  * PROGRESS_TIER_COMMON_T5
  * PROGRESS_TIER_KINGDOM_T1
  * PROGRESS_TIER_KINGDOM_T2
  * PROGRESS_TIER_KINGDOM_T3
  * PROGRESS_TIER_KINGDOM_T4
  * PROGRESS_TIER_KINGDOM_T5
  * PROGRESS_TIER_LABOUR_T1
  * PROGRESS_TIER_LABOUR_T2
  * PROGRESS_TIER_LABOUR_T3
  * PROGRESS_TIER_LABOUR_T4
  * PROGRESS_TIER_LABOUR_T5