On Hardcore, the frequency and quality of rare items & gold is reduced significantly, so make sure you pick up, salvage and sell EVERYTHING. Frequent trips back to town are common. HC only gives about 30% as much as regular.
Although this is good advice for HC as it will maximise your survivability there are actually no drop rate changes for HC over SC. Everything is the same except for permadeath. The only other real difference is that the auction house has less items because there are less players overall (and because they lose their gear on death).
No benefits to HC mode beyond the adrenaline and your own enjoyment, which I am just fine with.
___________________________________ Daniel 'ZIGGYD' Coutts-Smith YouTube Twitter
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