Well, I wrote about on a topic, but it seemed better to open a thread on the Suggestions forums...
Don't you think that releasing King Tinkinzar as a boss so easily would be wasting a gold mine?
[Note: I believe The Ironclaw Munitions Factory has nothing to do with King. The topic about "What's in development (June 2011)" just reminded me that I should be less leazy and write more here.]
I shall explain myself: I'd love to fight against him... but I thought "well, we have defeated himmm... and nowww?". King Tinkinzar is an important character for the plot, since he's cited by some NPC whose name I can't recall. And he's a mechanical genius, isn't it? My idea is that fighting him in a mechanical suit/ship/put-your-option-here (like a Sonic vs Eggman fashioned way) would give him reusability.
BTW, since Lord Vanaduke isn't cited, and he's T3, releasing King Tinkinzar a T2 boss would be an offense.
Please, discuss. =)
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Edit: Excuse me if seemed so, but I'm not jumping any conclusions. I wanted to say that waaaaaay before june/2011 dev news. Those only lit me up to fight my slacker-y nature and do it. As I said, it would be a waste the king of the gremlins being a T2 boss. (And nonsense, because would be quite strange fighting more grems in T3 after his defeat...)
He should be a T4 boss, tinkering with the core. Would also explain why no one ever sees him. Also, it wouldn't be fighting him - it would be the guards who are protecting him while he's at work.
In T2 it should be a construct boss. It's in a munitions factory; robots gone berserk seems natural.