Broodmother stats, abilities and strategy
Hunts with her army of spiderlings
Gliding along her webs, Broodmother births an army of spiders to lead her team's forces toward the enemy base. As prey wanders near, she joins her children and attacks, slowing foes with incapacitating bites as she indulges her insatiable hunger.
Win Rate 52.1%
Pick Rate 1.7%
Attributes
516 +63.8/lvl
291 +24.0/lvl
18 +2.9/lvl
18 +3.4/lvl
18 +2.0/lvl
Stats
Damage:
45 - 51 + 3.4/level (157 - 163 at level 30)
Range:
175
Armor:
2.0 + 0.6/level (20.8 at level 30)
Movement:
285
Roles
Carry
Durable
Nuker
Pusher
Support
Escape
Disabler
Initiator
Facets
Necrotic Webs
Win Rate: 50.5%
Pick Rate: 35.6%
Reduces health restoration of enemies on webs.
Patch 7.39b
- Spin Web: Health Regeneration Reduction now affects Health Restoration instead
Feeding Frenzy
Win Rate: 53.0%
Pick Rate: 64.4%
Insatiable Hunger also applies to nearby Spiderlings.
Abilities
ABILITY: Passive
PASSIVE: Breakable
Whenever Broodmother kills a unit, she and all units under her control in a 600 radius receive a buff that heals them for a percentage of the victims health every 0.5 seconds. Healing from creeps is reduced by 40%.
HERO HEALTH AS HEAL: 2%
RADIUS: 600
BUFF DURATION: 3
LEVEL 10 TALENT: +1.5% Spider's Milk Hero Health as heal
Patch 7.39
- Buff is no longer dispellable
Insatiable Hunger
DAMAGE TYPE: Physical
PASSIVE: No
A violent lust for vital fluids increases Broodmother's attack damage and gives her a vampiric attack.
BASE ATTACK DAMAGE BONUS: 40% / 50% / 60% / 70%
LIFESTEAL: 40% / 60% / 80% / 100%
DURATION: 8 / 10 / 12 / 14
45 / 40 / 35 / 30
80
FACET: Feeding Frenzy
Insatiable Hunger also applies to nearby Spiderlings.
LEVEL 25 TALENT: -0.25s BAT during Insatiable Hunger
While most of her prey is wrapped in silken cocoons and saved for her young, the Broodmother herself has a taste for wandering heroes.
Spin Web
AFFECTS: Area
PASSIVE: No
Spins a large web that grants Broodmother a passive movement speed increase and increases her Turn Rate, while in its vicinity, as well as giving free movement.
Spin Web can be cast from anywhere as long as the new web touches an existing web. Webs never expire, and can be manually destroyed. When the maximum limit of webs is exceeded, the oldest web disappears.
Also affects Spiderlings.
MAX SIMULTANEOUS WEBS: 3 / 5 / 7 / 9
MOVESPEED BONUS: 10% / 22% / 34% / 46%
BONUS TURN RATE: 0.2
40
1200
FACET: Necrotic Webs
Reduces health restoration of enemies on webs that are in the same web network as Broodmother.
LEVEL 20 TALENT: -6s Spin Web Charge Restore Time
Weaving a bed of silken fibers, Arachnia's web both protects her and her offspring, as well as giving advancing opponents a sense of foreboding.
Incapacitating Bite
ABILITY: Passive
PIERCES DEBUFF IMMUNITY: No
PASSIVE: Breakable
DISPELLABLE: Yes
Broodmother's venom cripples enemy units, causing her attacks to slow and giving the affected unit a chance to miss its attacks and extra damage from attacks.
The miss chance stacks with evasion and terrain dodge chance.
MISS CHANCE: 30% / 40% / 50% / 60%
MOVE SLOW: 15% / 20% / 25% / 30%
DURATION: 2 / 2 / 2 / 2
ATTACK BONUS: 2 / 4 / 6 / 8
LEVEL 25 TALENT: +30% Incapacitating Bite Slow/Miss Chance
LEVEL 15 TALENT: +12 Incapacitating Bite Attack Bonus
Paralytic toxins come from Black Arachnia's fangs, causing a slow and painful death to those who intrude on her webs.
Spawn Spiderlings
AFFECTS: Unit
DAMAGE TYPE: Magical
PIERCES DEBUFF IMMUNITY: No
PASSIVE: No
DISPELLABLE: Yes
DEBUFF: Yes
Broodmother injects her young into an enemy unit, dealing damage and slowing them for 4 seconds. The spiderlings will hatch if the target is killed while under this influence.
If the target is killed within 20 seconds of being hit with this skill, the Spiderlings will spawn.
Units killed by Spiderlings will then give birth to additional Spiderlings.
LIFETIME: 40
DAMAGE: 220 / 320 / 420
COUNT: 4 / 5 / 6
SPIDERLINGS HP: 300
SLOW: 25% / 35% / 45%
9 / 8 / 7
100
900
LEVEL 15 TALENT: +125 Spiderlings Health
LEVEL 10 TALENT: +80 Spawn Spiderlings Damage
Black Arachnia continues to raise her young, even amidst the field of combat. The brood quickly learns how to support their mother.
Spinner's Snare
Scepter grants new ability
DAMAGE TYPE: Magical
PIERCES DEBUFF IMMUNITY: No
PASSIVE: No
DISPELLABLE: Yes
DEBUFF: Yes
Broodmother may create up to 5 invisible web lines touching any existing web. Enemy Heroes that cross the web line will spring the trap, becoming rooted, revealed in fog, and take damage over time. Multiple Heroes can trip on the same line until it's destroyed after being initially triggered. Broodmother's team is alerted via the minimap when an enemy has triggered the snare.
FORMATION DELAY: 2
ROOT DURATION: 3
DAMAGE PER SECOND: 100
WEB LINE WIDTH: 900
100
600
The slightest tremor of her web is all Arachnia needs to find her prey.
Talents
+30% Incapacitating Bite Slow/Miss Chance
-0.25s BAT during Insatiable Hunger
+ 4.7%
+35 Attack Speed
+ 2.7%
-6s Spin Web Charge Restore Time
+125 Spiderlings Health
+12 Incapacitating Bite Attack Bonus
+ 3.9%
+1.5% Spider's Milk Hero Health as heal
+80 Spawn Spiderlings Damage
+ 0.5%
Win Rate
Pick Rate
Patch 7.39
- Level 10 Talent Spider's Milk Hero Health as heal increased from +0.5% to +1.5%
- Level 15 Talent -5s Spin Web Charge Restore Time replaced with +12 Incapacitating Bite Attack Bonus
- Level 20 Talent +12 Incapacitating Bite Attack Bonus replaced with -6s Spin Web Charge Restore Time
Strategy
Broodmother is weak until level 6. Focus on last hitting and sustaining health until you have Spawn Spiderlings.
Make sure not to feed spiderlings away as that greatly affects your farming speed and kill threat.
Once you have built up an army of spiderlings, try to play on the opponents side of the map as much as you can.
Place 
Observer Ward and 
Sentry Ward in the enemy jungle so you feel comfortable playing there.
If you are feeling endangered, let your spiderlings farm while staying hidden on hero.
Use spiderlings to destroy runes from another midlaner.
Consider using your spiderlings as scouts around the map.
Counter Strategy
Consider putting a hero that can deal with Spiderlings against her on the lane.
Block off her camps with sentries as she gets closer to level 6.
If you are looking to gank Broodmother you need at least 3 heroes otherwise pressure other two lanes.
Crimson Guard and armor items are good against Broodmother.
Healing and regeneration reducing items are good against Insatiable Hunger.
Evasion piercing items are good against Broodmother's Incapacitating Bite.
Broodmother is good at taking an early 
Roshan. Ward around Roshpit and check.
Its a solid strategy to gank Broodmother early before she gets level 6 when she's the weakest. Slow her game down.