Gnome warriors benefit from Escape Artist and Engineering Specialization. If you plan on participating in end-game content at level 60, humans are far and away the best race to choose for warriors. These abilities are hugely beneficial at max level, but have very little impact while leveling. Human warriors benefit from Sword Specialization and Mace Specialization. Additionally, warriors scale very well with gear and get consistently stronger every level all the way to 60. Warrior is an incredibly fun class to play-gear and weapon upgrades are extremely impactful, they’re the best dungeon tanks, they’re the best and most in-demand class at level 60, and there’s something fun about the added challenge of playing the hardest class in the game. However, despite these challenges, warrior is the most popular class in Hardcore. Warriors lack the damage, crowd control, AoE, self-sustainability, buffs, and escape tools that other classes possess, especially at low levels.
Warrior is the most difficult class to level in the Hardcore challenge in World of Warcraft Classic by a large margin.