As most of you know this is one of the three types of coins droped from dyna areas and campaign battles. They are use in VAST amounts by the wealthy or determined group of players that are making there relic weapon.
The coins needed for each stage are different but the layout is nearly all the same you need the small coins by the 100.
stage 1 - base weapon
stage 2 - base weapon +3 to +5 100's
stage 3 - Stage 2 weapon +14 to +16 100's
stage 4 - Stage 3 weapon + 59 to 61 100's
stage 5 - Stage 4 weapon +100 100's
This is not an easy task to do and there are rare ex items in there to get that can only be got in dyna areas that cant be sold or bazard. There are also used for upgradeing AF2-1 or relic armor in port jeuno 30 ish are needed per upgrade.
As of May 2015, it is now possible to enter Dynamis unlimited amount of times when progressing in the Rhapsodies of Vana'diel storyline. In regards to this, obtaining dynamis currency has been made to be obtained way much easier.
