The grind in Diablo 2 is the foundation of the genre’s last 20 years.
She can be very solid for farming a few specific areas such as Mephisto, Andariel, Cows, and more. The Fire Sorceress is a very strong but fragile character who will have good success early in the game but run into some Fire Immune monsters in Hell that will prove difficult.
Socketing an item with a Ber rune increases the item's level requirement to 63, unless it was already higher. Although Ber is not the rarest rune, it is often considered the most valuable, due to its use in multiple popular rune words, and its crushing blow and damage reduction mods.
The difference comes from increased monster hit points and damage, some changes in monster variety and skills, and heaps of new, higher level equipment. The difficulty levels are essentially identical characters replay the same acts and quests on each.
