Troop Leveling

Souls needed to level up from the previous level:

Level	Base Rarity						Hero Class
	Common	Rare	Ultra-Rare	Epic	Legendary	Mythic
2	10	10	10	10	15	20	150
3	15	15	15	20	20	30	150
4	25	25	30	30	35	45	150
5	50	55	60	65	75	65	150
6	75	80	90	100	110	125	200
7	100	110	120	135	150	165	200
8	150	165	180	200	225	240	200
9	200	220	240	270	300	320	200
10	250	275	300	335	375	395	200
11	260	285	310	350	390	410	200
12	270	295	320	360	405	430	200
13	280	305	335	375	420	445	200
14	290	315	345	390	435	460	200
15	300	330	360	405	450	480	200
16	330	350	400	450	500	600	250
17	360	400	450	500	550	700	250
18	400	450	500	550	600	800	250
19	400	500	600	700	800	1000	250
20	600	700	800	900	1000	1200	500

Total souls needed to level up from level 1:

Level	Base Rarity						Hero Class
	Common	Rare	Ultra-Rare	Epic	Legendary	Mythic
2	10	10	10	10	15	20	150
3	25	25	25	30	35	50	300
4	50	50	55	60	70	95	450
5	100	105	115	125	145	160	600
6	175	185	205	225	255	285	800
7	275	295	325	360	405	450	1000
8	425	460	505	560	630	690	1200
9	625	680	745	830	930	1010	1400
10	875	955	1045	1165	1305	1405	1600
11	1135	1240	1355	1515	1695	1815	1800
12	1405	1535	1675	1875	2100	2245	2000
13	1685	1840	2010	2250	2520	2690	2200
14	1975	2155	2355	2640	2955	3150	2400
15	2275	2485	2715	3045	3405	3630	2600
16	2605	2835	3115	3495	3905	4230	2850
17	2965	3235	3565	3995	4455	4930	3100
18	3365	3685	4065	4545	5055	5730	3350
19	3765	4185	4665	5245	5855	6730	3600
20	4365	4885	5465	6145	6855	7930	4100

You can also use this table to quickly compute how many souls to go between any 2 levels. For example, to improve a Mythic Troops from level 9 to 20 => (total for lv 20) - (total for lv 9) = 7930 - 1010 = 6920 souls