ESO Arcanist Skills: Herald of the Tome

Runeblades

Cost: 2295 Magicka
Cast Time: Instant
Range: 22 meters

Craft a series of runes and launch them at an enemy, dealing 1905 Magic Damage three times and generating Crux. Each active Crux increases damage of this ability by 3%.

Morphs

Escalating Runeblades — Final rune explodes, dealing 2595 Magic Damage to all enemies within 8 meters. Generates Crux.

Writhing Runeblades — Same triple strike, but also grants up to 900 Weapon and Spell Critical rating, scaling with missing Health. Generates Crux.

Fatecarver

Cost: 2295 Magicka per second
Cast Time: Channel up to 4 seconds
Range: 22 meters

Channel a beam of pure Apocryphal knowledge, dealing 2403 Magic Damage every 0.3 seconds to up to 6 enemies. Consumes all Crux, increasing damage by 33% per Crux spent.

Morphs

Exhausting Fatecarver — Beam also snares enemies by 15%, increasing to 45% with 3 Crux spent.

Pragmatic Fatecarver — Grants a damage shield absorbing up to 8575 Damage and immunity to interrupts. Each Crux reduces channel cost by 5%.

Abyssal Impact

Cost: 2700 Stamina
Cast Time: 0.3s
Range: 15 meters

Strike an enemy with tentacles, dealing 5303 Physical Damage, immobilizing for 3 seconds, and applying Abyssal Ink for 20 seconds. You deal 5% more damage to enemies under Abyssal Ink.

Morphs

Cephaliarch’s Flail — Deals same damage, generates Crux, and heals you for 2738 Health if an enemy is hit.

Tentacular Dread — Converts to Magicka, dealing 5477 Frost Damage. Consumes all Crux, increasing damage by 33% and Abyssal Ink bonus damage to 11% with 3 Crux.

Tome-Bearer’s Inspiration

Cost: 3240 Magicka
Cast Time: Instant
Range: Self

Etch runes onto your weapon that pulse every 5 seconds. Striking an enemy deals 3175 Magic Damage and generates Crux if none are active. While slotted, grants Major Brutality and Major Sorcery, increasing Weapon and Spell Damage by 20%.

Morphs

Inspired Scholarship — Pulses every 3s instead, dealing 2558 Magic Damage. Generates Crux if none are active.

Recuperative Treatise — Pulses every 5s, dealing 3176 Magic Damage and restoring 600 Magicka and 600 Stamina. Generates Crux if none are active.

The Imperfect Ring

Cost: 3510 Magicka
Cast Time: Instant
Range: 22 meters

Place a flawed rune under an enemy, etching glyphs on foes and dealing 12683 Magic Damage over 20s. An ally can activate the Runebreak synergy, dealing 7380 Frost Damage to enemies within 7m.

Morphs

Fulminating Rune — Same DoT, but detonates for 3936 Frost Damage in 7m. Up to 3 allies can activate Runebreak synergy for 7380 Frost Damage.

Rune of Displacement — Pulses after 2s, pulling enemies between 2–10m. Deals 13100 Magic Damage over 18s. Synergy still deals 7380 Frost Damage.

The Unblinking Eye (Ultimate)

Cost: 170 Ultimate
Cast Time: Instant
Range: 15 meters

Summon a manifestation of Hermaeus Mora’s eye for 6s, dealing 1115 Magic Damage to enemies in a 5m radius every 0.5s. Eye can be repositioned by recasting.

Morphs

The Languid Eye — Beam snares by 50% for 3s and damage ramps up by 7% per tick.

The Tide King’s Gaze — Duration increased to 8s. Follows target, and if it dies, retargets within 8m. Deals 1151 Magic Damage every 0.5s.

Herald of the Tome Passives

• Fated Fortune — Generate or consume Crux to increase Critical Damage and Critical Healing by 12% for 7s.
• Harnessed Quintessence — Restoring Magicka or Stamina increases Weapon & Spell Damage by 284 for 10s.
• Psychic Lesion — With a Herald skill slotted, increase Status Effect damage by 15% and chance by 55%.
• Splintered Secrets — Increases Physical & Spell Penetration by 1240 per Herald skill slotted.