Yay, great job! I tried fighting the final boss a little more to test strategies and it's stricter than I remember, so maybe I got a little lucky in testing. Some further notes in ROT13:
Lbh pna terngyl ybjre gur punapr bs gur obff trggvat gjb nggnpxf va n ebj ntnvafg Fxl ol xrrcvat Pbssrr hc. Rira vs Syner qbrfa'g trg n ghea, hfhnyyl Fxl jvyy trg bar naq pna urny urefrys (be Qrsraq naq yrg Syner qb gur urny). Lbh pna fgvyy ybfr gb onq yhpx fbzrgvzrf gubhtu.... V pna hfhnyyl jva jvguva 2 be 3 gevrf vs V qba'g trg vg ba zl svefg, ohg vs lbh trg gurer jvgu ybj erfbheprf V pna frr vg orvat zber bs na EAT tevaq.
Gur jnl Fbhy Zveebe jbexf vfa'g ernyyl vqrny, V jbhyq unir cersreerq gb znxr vg fb Syner bayl ybfrf vg vs gur obff fcrpvsvpnyyl nggnpxf ure, ohg V qvqa'g xabj ubj. Vs V znqr vg "jrne bss" va gur jnl bgure fgnghf rssrpgf qb, gura Syner jbhyq orpbzr hacbvfbarq, fb vafgrnq gur obffrf unir fcrpvny orunivbhe gung fjvgpurf Syner sebz CbvfSyrp gb Cbvfba nsgre gurl nggnpx.
V'z tynq lbh yvxrq vg rira gubhtu gur raqvat jnf qvfnccbvagvat! Zbfg bs gur tnzr jnf xvaq bs ehfurq orpnhfr V qvqa'g jnag gb fcraq gbb zhpu gvzr jbexvat ba vg. Gb svaq gur Qentba'f Oyrffvat, cunfr guebhtu gur rkvgf va gur Furrc Fubc jvgu Fuvsg.