Step 1: Get JPEXS Free Flash Decompiler:
https://www.free-decompiler.com/flash/
Step 2: Open 059 X31.2.1 swf in FFDec
Step 3: Make the following changes in P-code:
scripts\kabam\rotmg\messaging\impl\GameServerConne ctionConcrete.as:
_loc1_.buildVersion_ = "X31.2.1" to "X31.2.3"
scripts\com\company\assembleegameclient\parameters \Parameters.as:
RANDOM1:String = "6a39570cc9de4ec71d64821894" to "311f80691451c71b09a13a2a6e"
RANDOM2:String = "c79332b197f92ba85ed281a023" to "72c5583cafb6818995cbd74b80"
scripts\kabam\rotmg\application\impl\ProductionSet up.as:
return "RotMG #{VERSION}.{MINOR}".replace("{VERSION}","X31.2").r eplace("{MINOR}","1") to
return "RotMG #{VERSION}.{MINOR}".replace("{VERSION}","X31.2").r eplace("{MINOR}","3");
Step 4: save it and test in flash player