Field skills
Raven strike
The field reference. Know what you’re working with.
tier i / unmodified preview
Cast power: 26.0 Cooldown: 5.5s Radius: 430 Cargo / trip: 1 drops Flight speed: 370 No Survivor traits, items, permanent upgrades or weather modifiers.
build scaling
Scales with Ranged damage. Attack Speed shortens cooldowns.
automatic activation
A small raven scouts, dives through 3–6 Rotborn, and returns. Collects one scrap drop per trip from Rank I. Each tier expands search reach; Rank IV carries up to 3 nearby drops. Quick pecks defend it while fetching coins. Armor develops with rank. Ranged scaling. +60% skill-hit damage to ordinary swarm enemies (not empowered variants).
unlock requirement
Clear wave 4 with at least 120 kills in one expedition.
specialization costs
Tier IV required. Refit ranks 1 / 2 / 3 open after clearing waves 10 / 14 / 17 and cost 65 / 115 / 180 scrap. Choose one branch per skill. Field training can instead spend an available upgrade choice. These previews do not unlock or purchase anything.