Updated 2 Oct 2026
Abilities/Arcane Orb

Arcane Orb fills your Main slot. Projectile main ability of the spirit school. Base damage 17.1. Cast 10 ticks. Fires 1 projectile at speed 8 over 12 units, piercing 6.

You get it by equipping 16 bases across 6 lines: Duskhollow Wand, Orbweaver Wand, Pearlmoon Wand, Plaguecradle Wand and Soulmirror Wand and 1 more.

The draft can bend it 7 ways — Echo, Reach, Multiplicity, Area, Force, Duration and Critical — and cards that ask for projectile, pierce, area, critical and on_hit will find it.

Between rooms it can be offered 139 cards: 30 written for it specifically, plus the 109 that any ability can take. Those cards can put Shock, Venom and Distortion on it, and attune it to Storm, Poison and Void.

4 Uniques are built on gear that hands it to you: The Patient Moon, The Hollow Key, The Spider King's Cradle and Twin Pearls.

Gear that hands it to you

6 lines · 16 bases
LineSlotTiers, and the item levels they drop atFound in
Duskhollow WandMain Hand
T4 iLvl 45–59T5 iLvl 60–79T6 iLvl 80+
DEMON
Orbweaver WandMain Hand
T1 iLvl 1–14T2 iLvl 15–29T3 iLvl 30–44T4 iLvl 45–59T5 iLvl 60–79T6 iLvl 80+
DEMON
Pearlmoon WandMain Hand
T3 iLvl 30–44T4 iLvl 45–59T5 iLvl 60–79T6 iLvl 80+
DEMON
Plaguecradle WandMain Hand
T6 iLvl 80+
NIGHTMARE
Soulmirror WandMain Hand
T6 iLvl 80+
MORTAL
Stormglobe WandMain Hand
T6 iLvl 80+
DEMON

How the draft bends it

7 ways to change it
ChangeWhat it does to a projectile
Echo
The whole cast plays once more after a short gap, at reduced effect.
+100% Repeats
-20% Damage
Reach
The ability reaches farther.
+15% RangeUnits
Multiplicity
More projectiles, targets or summons at reduced individual effect.
+1 Count
-12% Damage
Area
Wider bursts, arcs and impact zones.
+12% Radius
Force
Harder hits: knockback, shove and stagger pressure.
+0.5 Knockback
Duration
Statuses, buffs, summons and channels last longer.
+20% StatusDuration
Critical
The ability crits more often; heals and wards grow instead.
+4 CritBonus

The fine print

the raw numbers behind it
Damage tagsmagic, projectile, area
Fires onwindup → release → travel → impact
Speed8
RangeUnits12
Radius1.4
Pierce6
Count1
SpreadDegrees0
EndBurstRadius2.5
EndBurstDamagePercent100
PassHitGapTicks4
PassHitDamagePercent60
Knockback0
SeekDegreesPerTick0

Cards it can be offered

139 cards it can see
Written for this ability (30)
Decisive Strikes
Minor · common
Keen Strike
Minor · common
Far Reach
Minor · common
Farcaster
Minor · rare
Widening Gyre
Minor · rare
Forceful
Minor · rare
Lingering Grasp
Minor · rare
Deadly Focus
Minor · rare
Fluid Strikes
Minor · common
Bolt Speed
Minor · common
Orb Girth
Minor · common
Orb Burst
Minor · common
Heavy Strike
Major · rare
Lance Strikes
Major · rare
Sweeping Strikes
Major · rare
Flamebrand Arms
Major · rare
Rimebound Arms
Major · rare
Stormbound Arms
Major · rare
Venombound Arms
Major · rare
Bloodsworn Arms
Major · rare
Stonebound Arms
Major · rare
Lightsworn Arms
Major · rare
Voidtouched Arms
Major · rare
Endless Refrain
Major · legendary
Driving Strikes
Major · rare
Sundering Strikes
Major · rare
Piercing Throw
Major · rare
Heavier Orb
Major · rare
Orb Momentum
Major · rare
Manifold
Major · legendary
Plus the ones any ability can take (109)

Nothing on these cards narrows the draft, so every ability can be offered them — see all 139 together →

What it can end up carrying

if the draft goes your way
StatusesShock, Venom, Distortion
AffinitiesStormPoisonVoid

Uniques

built on gear that grants it
The Patient Moon
Your Main orb is 60% larger and deals 25% more damage, but travels 30% slower.
The Hollow Key
Your Main attack builds Distortion.
The Spider King's Cradle
Your Main looses a second orb, each 25% wider at 12% less damage, and their touch Envenoms; a full Venom spreads in Contagion, but the orbs drift 30% slower.
Twin Pearls
Arcane Orb flies in pairs, passes through 4 more enemies and rolls 30% farther, but casts 20% slower.