Aggregation Trigger
If the swarm is harmed (4+ spiderlings killed, AoE damage used, or hostile creatures come within 10 ft. of multiple spiderlings), it will merge into Budding Spider at the start of the next round.
Instinctive Nesting
If Budding Spider is near corpses or rotting material, it can regain 1d6 HP at the end of each turn (max once per corpse).
Splitling Falloff
When Budding Spider drops below 25% HP, it detaches 1d4 spiderlings, which scurry away. If left alive, they may merge again within the hour unless tracked and burned.
Bite
Melee Weapon Attack: +5 to hit, reach 5 ft., one target.
Hit: 8 (1d10 + 3) piercing damage, and the target must make a DC 12 Constitution saving throw or take 1d8 poison damage at the start of its next turn.
Web Toss (Recharge 5–6)
Budding Spider expels sticky silk at a creature within 30 feet. The target must succeed on a DC 12 Dexterity saving throw or become Restrained for 1 minute. The target can repeat the save at the end of its turns.
Skitter
The spider dashes 10 feet in any direction. This movement does not provoke opportunity attacks. Does not remove from overall movement speed.
Description
Budding Spider begins as a passive swarm of small, seemingly harmless spiderlings that spread over terrain, crawl into crevices, and observe without aggression.
If four or more are destroyed, if threatened, or if they sense overwhelming hostility, the swarm rapidly merges into a singular sentient spider entity—more durable, intelligent, and aggressive.
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