Overview
Physical Form
The most precisely documented giant in any ancient record. 1 Samuel 17 gives exact measurements: a helmet of bronze, a coat of mail weighing 5,000 shekels of bronze (~125 lbs), bronze greaves, a bronze javelin between his shoulders, and a spear shaft like a weaver's beam — its iron head alone weighing 600 shekels (~15 lbs). The shield so large it required a dedicated shield-bearer walking before him. His voice carried across valleys.
The Record
For forty days, twice daily, Goliath presented himself to the armies of Israel in the Valley of Elah and issued the same challenge: send your champion. No one moved. His armor alone outweighed most soldiers. He was a distilled product of millennia of giant-lineage warfare — the physical endpoint of what the Watcher-human cross-breeding had been producing since before the Flood. He fell not to a peer but to a stone from a shepherd's sling, to the forehead — the only unarmored point. 2 Samuel 21 records that four of his brothers were also giant warriors, all eventually slain by David's champions.
Combat Threat
A sustained fighting machine — strength, reach, armor mass, and psychological terror made him a one-man siege weapon. His challenge method suggests supreme confidence in single combat. His weakness was overconfidence in armor coverage and the failure to account for projectile warfare at extreme range. The same class of vulnerability that brought down the Anakim.