Obi-Wan has increased maximum health regeneration
25 (1 lvl)
50 (2 lvl)
75 (3 lvl)
100 (4 lvl)

After blocking 5 blater shots,2 abilities or lightsaber attacks with his block,Obi-Wan gains a permanent reduction of 2% to all hiw stamina costs to a maximum. This effect resets when Obi-Wan is defeated
25% (1 lvl)
30% (2 lvl)
35% (3 lvl)
40% (4 lvl)

The chrage-up time of ALL-OUT PUSH is slighty shorter
0.20 (1 lvl)
0.30 (2 lvl)
0.40 (3 lvl)
0.50 (4 lvl)