The Archmage

This subclass should only be used if starting at level 3 +

Your patron is an incredibly powerful magical practitioner — such as Blackstaff, Elminster, Fistandantilus, Gromphe Baenre, Mordenkainen, or Vecna — one whose skill and strength in the arcane arts has made them tantamount to a god. Such a mage may require minions to aid them in unlocking the great secrets of the multiverse, or perhaps they just need a subject for their eldritch experiments.

No matter your patron’s motivations, you have convinced them to take you on as an apprentice, being granted access to a modicum of their knowledge and power.

Level 3: Expanded Spell List

The magic of your patron ensures you always have certain spells ready; when you reach a Warlock level specified in the Archmage Spells table, you thereafter always have the listed spells prepared.

Warlock Level	Spells
3rd	Magic Missile, Shield, Nystul's Magic Aura, Tasha's Mind Whip
5th	Leomund's Tiny Hut, Melf's Minute Meteors
7th	Mordenkainen's Faithful Hound, Otiluke's Resilient Sphere
9th	Bigby's Hand, Rary's Telepathic Bond

Level 3: Arcane Apprentice

You can choose to use Intelligence, instead of Charisma, as your warlock spellcasting ability. If you choose to use Intelligence, all warlock features and Eldritch Invocations that reference your Charisma modifier use your Intelligence modifier instead. You must make this choice when you gain this feature.

Additionally, you learn the Detect Magic and Identify spells. They count as warlock spells for you, and don’t count against the number of warlock spells you know. Unless you learn either spell from another source, you can only cast it as a ritual.

Level 3: Archmage’s Excess

Your patron allows you to siphon off their excess reserves of magical power. As an action, you can regain one of your expended warlock spell slots. Once you use this feature, you must finish a long rest before you can use it again.

Level 6: Eldritch Efficiency

Your patron teaches you how to use your reserves of magical power with greater finesse. As a bonus action, you expend one of your warlock spell slots to gain a number of temporary lower-level warlock spell slots with total level equal to the spell slot expended. For example, if you expend a 3rd-level spell slot this way, you can gain three 1st-level spell slots or one 1st-level and one 2nd-level spell slot.

You lose a temporary spell slot when you expend it or when you regain your expended warlock spell slots at the end of a short or long rest.

Level 10: Magic Resilience

When you fail a saving throw you make against a spell or other magical effect, you can choose to succeed instead. If you use this feature to succeed on a saving throw against a spell that allows you to take half damage on a success, you instead take no damage from the spell.

Once you use this feature, you must finish a short or long rest before you can use it again.

Level 14: Archmage Arcanum

Your patron allows you to draw further from their knowledge and magical power. When you finish a long rest, you can choose to replace one of your arcanum spells with a different spell of the same level from either the warlock or wizard spell list. A wizard spell you choose this way counts as a warlock spell for you until you choose to replace it.

Additionally, as an action, you can regain the use of your 6th- or 7th-level arcanum spell. Once you regain the use of an arcanum spell this way, you must finish a long rest before you can use this ability again.

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