tier 1 2 3 / level 25 50 75[]
I've just noticed jagex wrote "tier 1/2/3" on the different levels of the warpriest armours in the skill advance guide for defence, thereby causing the confusion about the definition of tiers by themselves.
Therefore, I can no longer object to calling them tiers here.
79.179.6.136 19:18, October 11, 2013 (UTC)