Nah, these numbers are too high, what are you, some casual player?
0.15x exp, skills, magic level
regen off
loot 0.1x
gold drop 0.2x
increased prices of potions, runes and ammo for gold sink
monsters 40% faster, 35% more dmg, 50% more hp, 15% more defense
50% less movement speed per level
all...