New Pentakill songs! Does this mean we are getting some items removed/reworked?

Remember pentakills first album and the songs? -Deathfire Grasp (removed) -Last Whisper (Reworked) -Thornmail(Reworked) -Ohmwrecker (Exception) -Orb of Winter(only purchasable on ARAM) THEIR NEW SONGS ARE GREAT BUT THEIR NAMES -Bloodthirster (Link: https://www.youtube.com/watch?v=KBq_KtuSIF0&list=TLGGHTVUrpEYpYkyMTA3MjAxNw) -Tear of the Goddess (Link:https://www.youtube.com/watch?v=btSlfXILTkU&index=2&list=TLGGHTVUrpEYpYkyMTA3MjAxNw) Please don't remove BT ;-; a rework might be needed for TotG but leave my BT ALONE