Head Tier List
S: Manyullyn (max dmg+Cold-Blooded), Queen's Slime (durability+Magnetic). A: Cobalt (speed 14+Momentum), Pig Iron (food drops). B: Bronze (Dense), Steel (balanced). C: Iron, Flint (early game).
Complete Stats
Manyullyn: dmg10+ spd9 dur1200 Cold-Blooded. Cobalt: dmg8 spd14 dur800 Momentum. Ardite: dmg7 spd7 dur1500 Stonebound. Queen's Slime: dmg7 spd8 dur1300 Magnetic. Pig Iron: dmg6 spd7 dur1100 Baconlicious. Steel: dmg6 spd8 dur1200. Bronze: dmg6 spd7 dur1300 Dense. Iron: dmg5 spd7 dur1000. Bone: dmg5 spd7 dur500 Fractured. Flint: dmg4 spd7 dur600 Crude.
Best Combos
Handle: Ardite (1.4x dur), Cobalt (1.2x spd), Bone (1.1x atk). Binding: Paper (+1 slot), Rose Gold (+1 slot). Formula: Cobalt head+Paper binding+Ardite handle = 5 slots = god tool.
Material Sources & Smelting
Manyullyn = Cobalt + Ardite 1:1 in the smeltery, needs lava fuel. Cobalt/Ardite: mine in the Nether (Cobalt shallow, Ardite deep). Iron: most common in the Overworld. Queen's Slime: from Nether slimes. Bronze = Copper + Tin 3:1. Melt ingots in the smeltery, then cast into parts.