Comprehension

Comprehension was nerfed in WoW Forever: cast time increased from 1.5 sec to 3 sec, range reduced from Anywhere to 0 yd, not graded: effect values changed, tooltip now says "Increases your Comprehension skill by 15 for 60 min.", buff text added: "Comprehension skill increased by 15.", duration changed. Now 3 sec cast. Full tooltip comparison with Classic Era below.

Comprehension tooltip: Classic Era vs WoW Forever

The same tooltip players see in-game, side by side, with each changed line marked.

Classic Era Oct 27, 2026

Comprehension

Physical school

Anywhere range · 1.5 sec cast

Create 2 Comprehension Charms, or 4 if you are resting in an inn or city.

Forever Oct 22, 2026

Comprehension

Physical school

Anywhere range · 3 sec cast

Increases your Comprehension skill by 15 for 60 min.

Comprehension skill increased by 15.

changed value added in Forever removed in Forever

Also changed behind the tooltip: effects (not shown in a tooltip line). See the full field diff below for both values side by side.

Raw field diff every changed column

Field	Classic Era	Forever
auraDescription	none	Comprehension skill increased by $s1.
castTimeMs	1500	3000
castingTimeIndex	16	14
description	Create 2 Comprehension Charms, or 4 if you are resting in an inn or city.	Increases your Comprehension skill by $s1 for $d.
durationIndex	0	42
durationMs	not in this client	3600000
effects	[ { "amplitude": 0, "aura": 0, "auraPeriod": 0, "basePoints": 2, "chainAmplitude": 1, "chainTargets": 0, "dieSides": 0, "effect": 24, "index": 0, "miscValue": [ 0, 0 ], "pointsPerResource": 0, "realPointsPerLevel": 0, "triggerSpell": 0, "variance": 0 } ]	[ { "amplitude": 0, "aura": 30, "auraPeriod": 0, "basePoints": 15, "chainAmplitude": 1, "chainTargets": 0, "effect": 6, "index": 0, "miscValue": [ 3012, 0 ], "pointsPerResource": 0, "realPointsPerLevel": 0, "triggerSpell": 0, "variance": 0 } ]
rangeIndex	13	1
rangeMaxYards	Anywhere	0

"not in this client" means that build's client table has no such column at all, which is not the same as a value of none. See the build page for every column each client is missing.

Comprehension changes between Forever builds

Differs from Classic Era in every Forever build since Sep 16, 2026

Items with Comprehension

See every changed record in the Oct 22, 2026 build →

Questions about Comprehension

Was Comprehension nerfed in WoW Forever?

Yes. Comprehension was nerfed in WoW Forever compared with Classic Era: cast time increased from 1.5 sec to 3 sec, range reduced from Anywhere to 0 yd, not graded: effect values changed, tooltip now says "Increases your Comprehension skill by 15 for 60 min.", buff text added: "Comprehension skill increased by 15.", duration changed.

What changed for Comprehension in WoW Forever?

Cast time increased from 1.5 sec to 3 sec, range reduced from Anywhere to 0 yd, not graded: effect values changed, tooltip now says "Increases your Comprehension skill by 15 for 60 min.", buff text added: "Comprehension skill increased by 15.", duration changed. The Classic Era and WoW Forever tooltips are shown side by side on this page.

Read from the Oct 22, 2026 build (1.60.1.70532), compared against Classic Era Oct 27, 2026 (1.15.9.70576) ·synced Oct 27, 2026 · how we read this → · report a wrong value