Stats are different between story mode and custom game mode.
Common stats
Health: 2400/ 3200/ 4000/ 4800
Movement speed: 1000
Food amount: 450 [30]
Mount capacity: 20
Score: 850
Vision radius: 800
Damage modifications
Piercing: 40%
Immunities
Slow resistance: 60%
Immune to stun/ confusion/ fleeing
Immune to pickup (strong)/ knockback (strong)
Immune to execution
Execute
Damage (physical): 58
Attack speed: 1.5
Execution
Stun
Trigger: User has below 90% HP.
Chance: 30%
Damage (physical): 5/ 8/ 8/ 8
Damage (physical): 8
Radius: 300
Cooldown: 22
Stun
Duration: 2.5/ 5/ 5/ 5
Duration: 5
Slam
Trigger: User has below 50% HP.
Damage (physical): 4/ 7/ 7/ 7
Damage (physical): 7
Multihit: 7
Radius: 600
Cooldown: 18
Confusion
Duration: 2/ 4/ 4/ 4
Duration: 4
Eat
Chance: 30%
Pickup (weak)
Cooldown: 6
Execution
Healing
Health per interval: 3
Interval: 0.2
Duration: 6
Reposition
Trigger: User has below 50% HP.
Chance: 20%
Cooldown: 5
Fleeing (self)
Duration: 0.5
Uber sun spider
Common stats
Health: 10000
Movement speed: 1000
Food amount: 3000 [8]
Mount capacity: 14
Score: 3000
Vision radius: 800
Damage modifications
Venom resistance: 40%
Piercing: 40%
Immunities
Slow resistance: 40%
Immune to stun/ confusion/ fleeing
Immune to pickup (strong)/ knockback (strong)
Immune to execution
Execute
Damage (physical): 58
Attack speed: 1.5
Execution
Stun
Trigger: User has below 90% HP.
Chance: 30%
Damage (physical): 8
Radius: 300
Cooldown: 22
Stun
Duration: 5
Slam
Trigger: User has below 90% HP.
Damage (physical): 7
Multihit: 7
Radius: 600
Cooldown: 18
Confusion
Duration: 4
Reposition
Trigger: User has below 90% HP.
Chance: 20%
Cooldown: 5
Fleeing (self)
Duration: 0.5
Trivia
Sun spiders wear fezzes in arachnophobia mode.
Sun spiders are known for irrational attacks against ant colonies. The reason behind this behavior is commonly assumed to be finding shelters even though there aren't any actual proofs.