Assertion: warlock's damage reduction | /r/CapableOf | improve at every four levels
Facets:
value: thereafter
type: TEMPORAL
Source sentences:
text: At 7th level and every four levels thereafter, a Warlock's damage reduction improves, up to 7/cold iron at level 27.
text: At 7th level and every four levels thereafter, a warlock's damage reduction improves as shown on the advancement table below.