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In the Silmarillion itself the Helcaraxë is just described as an ice-filled sea, so what Morgoth and Ungoliant are doing here is basically the equivalent of walking over the Arctic icecap from Canada to Russia. But the original description in the Ambarkanta in HoMe is much more badass: it's the equivalent of hopping from icefloe to icefloe across the top of a partially-frozen Niagara Falls, if the Falls were hundreds of miles wide and emptied into the endless void of space, and the ice was actually a crust of frozen spray projecting unsupported over the edge of the Falls...
Also, as some of you may know, the website tektek.org where I made the chibis for these cartoons has shut down as of earlier this week. Luckily I'd already made them in advance for many of the important characters in the story who are yet to appear, but there will doubtless be some gaps where I'll have to improvise. Maybe a replacement site will pop up somewhere using the same artwork files, which are copyright to Gaia Online, a social networking site. I'f prefer to keep the figures in the same style rather than use a different chibi-maker, though doubtless some things can be done with cutting and pasting.
Part 199: Getaway
Next time: Part 200: Thieves' quarrel
Chibis by tektek.org