Idea for anti shield items:
Right now shield spam is still broken, especially when used on a hypercarry making them unkillable while they destroy your entire team.
New item: Anti protection edge
+
+ 700 = 3100 gold
70 AD
18 Lethality
Unique passive: shield bypass: 50% of your damage done ignores shields on the target.
New item: Anti protection staff
+
+ 1050 = 3200 gold
120 AP
10% cdr
Unique passive: shield bypass: 50% of your damage done ignores shields on the target.
2.5 second uptime that decays constantly meaning if someone hits it 1 second late thats almost half the shield gone already anyway.
and
(who is this champion) 
shen isnt self shield reliant but thats his r that requires your teammate to be low for it to work, if enemy still does 50% dmg whoever you try to save is dead