Sibling Rivalry Necromerger Guide Repack
: This is the most important early-game upgrade. It reduces the cooldown for spawning invaders, which are your only source of Gunpowder and Steel. Spawn Banners in Pairs
Floating Weapons forged from Anvils cost Iron to make. Use them only to clean up low-health minions or to target specific high-value units early on. sibling rivalry necromerger guide repack