Heroes with Best Level 1 Nukes

Highest Damage L1 nukes:

Shadowfiend (ShadowRazes, three ranges. 75 / blast, max 3 blasts on starting mana pool = 225)

Visage (Soul Assumption:  (20+ [65*3] = 215 on a 4s CD)

KotL (Illuminate: 200 dmg fully charged)
Tinker (HS Missile: 2 rockets @ 100 dmg each = 200)

Mirana Arrow (Sacred Arrow = 50 up to 140 extra dmg = 190)
Centaur (175 dmg Double Edge)

Razor (Plasma Field 15-80 damage* each direction = 30-160 dmg at L1)

Alchemist (Unstable Concoction 150 dmg physical)

Beastmaster (Wild Axes: 70 per axe = 140)

Storm Spirit (Static remnant = 140)

Shadow Shaman (Ether Shock 140 dmg, 1 target)

Naga Siren (Riptide = 130 dmg and -2 armor for 8s on 10s CD)

Lich (Frost Nova = 125 dmg)

Doom (LVL? Death = 125)

Earthshaker (Fissure = 125 dmg, 1s stun + 8s barrier)

Earth Spirit (Boulder Smash =125 dmg)
Leshrac (Split Earth = 120 w/ 2s stun)
Kunkka (Torrent = 120 dmg w/ 1.25 s stun & 1s slow)
Windranger (Power Shot = 120 dmg)
Tidehunter Gush (110 dmg + 40% slow & 2 armor reduction for 4 secs)
Skywrath Mage (Arcane Bolt = 60+27*1.6 = 103 minimum starting (on 5s CD)
Sven (Storm Hammer= 100 dmg w/ 2s stun)

Highest Level 1 damage abilities:

Juggernaut Bladefury (80 dmg * 5secs = 400)

Gyrocopter Rocket Barrage (3x10x11 = 330)

Leshrac Edict (9*32 = 288)

Clockwerk Battery Assault = 225 over 10.5 secs (15*10.5/0.7)
QoP Dagger (50+30*5 = 200 dmg)

Warlock Shadow Word (165 over 11s)

Disruptor (Thunder Strike = 4 x 40 = 160 dmg)

Phoenix Fire Spirits (4*10 per Spirit * 4 = 160 dmg)

Ancient Apparition Cold Feet (37.5 * 4 = 150)

Ogre Magi Ignite (26*5 = 129)

High Damage with Multiple Targets:

Leshrac - Lightning Storm (4 jumps * 80 = 320 on 4s CD)
Medusa - Mystic Snake (3 jumps = 80+100+125 = 305 total)

Dazzle - Shadow Wave (80 * 3 targets = 240 physical dmg)

Rubick - Fade Bolt (70+56+42+28+14 = 210 on 5 heroes)
Tusk - Snowball (with 4 allies = 80 + 20*4 = 160)
Visage - Soul Assumption (builds charges quickly with multiple targets)
Zeus - Arc Lightning (85 dmg * 5 targets =  425 dmg)

Best L1 Area-Damage Cone Nukes

Lina - Dragon Slave (100 dmg)

Death Prophet - Crypt Swarm (100 dmg, short CD)

Dragon Knight - Fire Breath (90 dmg, 12s CD)

Beastmaster - Wild Axes (70 dmg/axe = 140 physical)
Tiny - Avalanche (100 dmg)


AOE-around hero Nukes:
Abaddon (dmg block + damage on pop)
Omniknight (Pure damage!)
Dazzle
Timbersaw
Troll
Undying

Damage Over Time Effects:

Witch Doctor Maledict
Warlock Shadow Word

Line-Effect Nukes:

• Nyx
• Lion
• Magnus

Level 1 AOE Ranged Nukes

• Clockwerk Rocket Flare
• Undying Decay

Level 1 AOE Nuke + Stun

• Alchemist Unstable Concoction
• Leshrac Split Earth
• Lina Light Strike Array
• Slardar Slithereen Crush
• Centaur Stomp
• Kunkka Torrent
• Sven Storm Bolt
• Earthshaker Fissure
• Sand King Burrowstrike
• Elder Titan Echo Stomp

Level 1 AOE Nuke + Slow

• Ursa
• Brewmaster