Winmillion definitely has the upper hand in terms of usability, as that it is capable of shooting projectiles to damage from a distance, albeit slowly. Winmillion doesn't slow the player down either.
That being said, irontech destroyer definitely has the upper hand in dealing knockback and in dealing damage.
So which do you think is the better weapon?
Personally, I'd say Winmillion. Has the utility of a gun in a sword form (and it's so fun to play with too!)
On the other hand, Irontech does have a cool explosion design...
BOTH........but I don't have irontech....so I'll just have to stick with that other one for now......
This thread got me to bother looking up the Irontech on the wiki.
And all this time, I didn't realize Irontech and Deconstructor were different lines.
And so there are, in fact, three useless Blast Bomb lines.
Just... nevermind.
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Despite being Winmillion, I'd cast my vote for Winmillion, just due to it being a sword and all the mechanics that follow.
I have made and used both of these. While neither of them is outstanding, I have to say Winmillion is pretty versatile and jolly good fun for a normal-damage weapon. While I want to love Irontech Destroyer, it is just... just terrible. Maybe if it could be remote-detonated or had some other clever conceit to drive it, I could enjoy it for strategic purposes rather than simple, adorable novelty. u_u
Irontech Destroyer, but only if somehow it could get ASI: Very High.