Zerg Inject/larva Upgrade
Building Requirement: Hatchery / Lair / Hive (No tech prerequisite required; available directly from the base structure).
Resource Cost: 75 Minerals / 75 Gas.
Research Time: 50 seconds.
Base Larva Spawn Rate: 11 seconds per larva (baseline unupgraded rate).
Mechanic Effect — Swarm Spawn (Upgrade):
Queens cannot inject until this upgrade is researched at the Hatchery.
Once researched, the larva spawn rate improves to 10 seconds per larva while unlocking Queen Inject functionality to shape Zerg’s macro tempo.
Terran MULE
Gathering Rate: 8 minerals per trip (1.6x standard SCV return, providing a steady, controlled economic trickle).
Durability: 90 HP (1.5x standard MULE health, up from 60 to survive minor splash).
Timed Life: 74 seconds (1.15x extended operational duration on the field).
Total Lifetime Mineral Yield: Approximately 60 to 100 minerals per MULE.
Supply Cost: 0 Supply (unchanged).
Energy Cost: 25 Energy.