extending the duration on a pendant of the spirit. worth it?

because i'm mighty tempted to drop that 8k or so nx to extend the duration on my current pendant by 99 days. yes, it works, i tested with the 7 day one that i got from selling some scrolls in the mts

i mean c'mon

3 months of 1.3x for 8k nx? totally worth it imo

It sounds worth it. I mean, looking at the price of 1.5x cards when they have em and all.

Here's a question:
Can Item Locks no longer be used to extend items?

Because I was under the impression that, at one time, they could.

If this is so, then it would render the new NX item rather useless...

food for thought tho, they only 1.3 monster exp, meaning bonus from party play doesn't get 1.3x