If you are playing on a console like xbox, there may be a SLIGHT chance you're hooking Ryugu Titans with sliced bluetail (I caught like 8 titans last night on 3 boat rides (2/3 were pirate attacks), along with like 15 marlin). I say that because i've heard consoles have a MUCH easier time reeling in fish that are extremely difficult on PC. They con !!! and can be from Terrible, Positive you can't catch, to Fairly sure as messages, and still be Titans. The way I tell is the energy depletion, rather than the rod shaking, marlin deplete rather slowly, and titans deplete much more quickly, even if the rod shaking isn't really fast (usually is with titans, but i've had titans rarely shake rod, and I play on PC). Usually I have to face my camera towards the wheelhouse to induce lag just to pull up titans though, i'm lvl 57 and use a Lu Shangs.
but as stated above, i'd use a Halcyon over the Mithran, your depletion will be a bit slower, but it will increase your catch rate I think.
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