i need some really good anime like some hardcore underground shit

i seen alot so far like
cowboy bebop
atttack on titan
full metal
dbz
FLCL
wolfs rain
hunter x hunter
SOA
MAgi
tokyo ghoul
ughhhh LOTS more cant think at the moment
gimme something please X___X


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the list might seem like rookie shit but believe me i seen alot i just cant think of any lol