I bought “Draconic Warmonger’s Gloves (4/8) - 489” from a vendor for “Trophy of Strife” and then upgraded them to 8/8, but in the end their level dropped to 476
https://ibb.co/MGJFR3V
And funny thing:
Blue gear 470 → 489 (8/8) increases its level to 535 in PvP
https://ibb.co/gZwZD4Y
Blue gear 470 → 473 (3/8) increases its level to 551 in PvP !!!
https://ibb.co/6v71Q2Q