Shards needed for Improve and Upgrade

The following tables cover the basic shard requirements for the castle, and the other buildings for weapon type upgrades.  It doesn't cover the 2nd type of shards required for Divine upgrades, as I haven't got enough to be able to upgrade yet...

Castle Weapon/Utility

The castle has the following Shard requirement to improve and upgrade your enhancement to maximum.

Level	Weapon/Utility	Shards Needed to Mythic	Shards Needed to Divine
Common	5	482	732
Common *	4	478	728
Common **	4	474	724
Common ***	4	470	720
Uncommon	10	460	710
Uncommon *	6	454	704
Uncommon **	6	448	698
Uncommon ***	6	442	692
Rare	15	427	677
Rare *	10	417	667
Rare **	10	407	657
Rare ***	10	397	647
Epic	25	372	622
Epic *	15	357	607
Epic **	15	342	592
Epic ***	15	327	577
Legendary	40	287	537
Legendary *	25	262	512
Legendary **	25	237	487
Legendary ***	25	212	462
Mythic	62	150	400
Mythic *	50	100	350
Mythic **	50	50	300
Mythic ***	50	0	250
Divine	70		180
Divine *	60		120
Divine **	60		60
Divine ***	60		0

Other Districts

The other districts have the following Shard requirements to improve and upgrade your enhancement to maximum.

Level	Weapon	Shards Needed to Mythic	Shards Needed to Divine
Common	6	576	866
Common *	5	571	861
Common **	5	566	856
Common ***	5	561	851
Uncommon	12	549	839
Uncommon *	7	542	832
Uncommon **	7	535	825
Uncommon ***	7	528	818
Rare	18	510	800
Rare *	12	498	788
Rare **	12	486	776
Rare ***	12	474	764
Epic	30	444	734
Epic *	18	426	716
Epic **	18	408	698
Epic ***	18	390	680
Legendary	48	342	632
Legendary *	30	312	602
Legendary **	30	282	572
Legendary ***	30	252	542
Mythic	72	180	470
Mythic *	60	120	410
Mythic **	60	60	350
Mythic ***	60	0	290
Divine	80		210
Divine *	70		140
Divine **	70		70
Divine ***	70		0