Mage talent · row 5 of Arcane, from level 30 (25 with Talented 5/5) · Physical

Presence of Mind

Instant3 min cooldown

When activated, your next Mage spell with a casting time less than 10 sec becomes an instant cast spell.

Game files · build 1.60.1.70291Read straight from the WoW Forever beta client.

In Blizzard's notes

What Blizzard said about Presence of Mind, each line checked against the files.

Matches the files
Arcane Instability: No longer has Presence of Mind as a pre-requisite.
The files Arcane Instability (15058) has no prerequisite in the 70291 tree; in Classic it required Presence of Mind (talent prerequisite).
Arcane Instability Presence of Mind Class deep dives: Mage and Shaman
Matches the files
Arcane Power: Now has Presence of Mind as a pre-requisite.
The files Arcane Power (12042) requires Presence of Mind in 70291; Classic required Arcane Instability (talent prerequisite).
Arcane Power Presence of Mind Class deep dives: Mage and Shaman

69876 Sep 16First beta build we archived. No changes in the client files since.