User blog comment:BannedLagiacrus/Monster Appreciation Week: Molten Tigrex/@comment-5020152-20160124014024/@comment-17735225-20160124115931

I've always viewed 'Molten' in his name as 'Molten Rock', lava. Lava when cooled down considerably will leave it encased by the outer rocky layer, refering to when he's not enrage. When someone poke it with a stick however, the outer shell breaks and lava comes bursting out destroying everything. His second rage mode kinda reflects that as well.

It doesn't really fit his explosive properties though and I think it might be an eastern mindset kinda thing.