Soul Siphon

On Forever, Soul Siphon differs from Classic Era 1.15.9.69722 in 5 fields: description, duration index, effects and 2 more. Both sides are shown below, verbatim, not graded.

Classic Era vs Forever

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

Classic Era 1.15.9.69722

Improved Drain Life

Rank 1 · Physical school

Instant

Increases the Health drained by your Drain Life spell by 2%.

Forever 1.60.1.69876

Soul Siphon

Physical school

Instant

Increases the damage done or health drained by your Drain Life, Drain Soul, and Wrack spells by 12% per each of your other Affliction effects active on the target, up to a maximum increase of ${$m1*3}%.

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, verbatim.

A highlighted $ formula is computed by the game client from spell power, level and talents; the client does not store the final number, so the template is shown verbatim rather than a value invented.

Raw field diff every changed column, verbatim

Field	Classic Era	Forever
description	Increases the Health drained by your Drain Life spell by $s1%.	Increases the damage done or health drained by your Drain Life, Drain Soul, and Wrack spells by $s1% per each of your other Affliction effects active on the target, up to a maximum increase of ${$m1*3}%.
durationIndex	21	0
effects	[ { "amplitude": 0, "aura": 108, "auraPeriod": 0, "basePoints": 1, "chainTargets": 0, "dieSides": 1, "effect": 6, "index": 0, "miscValue": [ 8, 0 ], "realPointsPerLevel": 0, "triggerSpell": 0, "variance": 0 } ]	[ { "amplitude": 0, "aura": 4, "auraPeriod": 0, "basePoints": 12, "chainTargets": 0, "effect": 6, "index": 0, "miscValue": [ 0, 0 ], "realPointsPerLevel": 0, "triggerSpell": 0, "variance": 0 } ]
name	Improved Drain Life	Soul Siphon
subtext	Rank 1	none

History

Build Compared to Change

1.60.1.69876 1.15.9.69722 5 fields

See every changed record in 1.60.1.69876 →

Read verbatim from build 1.60.1.69876 , compared against Classic Era 1.15.9.69722·synced Sep 16, 2026·how we read this →