Maybe Pram just thinks it is a cheap iron sword when in fact it is mythril or there is some sort of disguise BS going on. Reminds me of those RPG that have a shitty early-game weapon that you can upgrade late-game to be top-tier.
@kaminomikan, not all countries recognize wyverns a being non-dragons. It depends on which country and in fiction which author you base your wyverns on.
Hah, if you look closely you'll see those two guards in the background of the pages leading up to their reveal. The artist was certainly paying attention.
Level 8 should be "All will be consumed by the purity of flame" or some such, or perhaps "OMFG, it burns with the fury of a thousand suns. Aieeeeeeeeee!"