You can break through... but it all depends on how often and at what moment the Mummies cast Curse on the Troglodytes (the bad luck will run out eventually..).. And the correct approach, in my opinion, was to first use Shakti and the scout hero to take the wood and ore mines... level Shakti up a bit + take 1 Attack and, after scouting with the scout hero, break through the Fire Elementals.. and behind them take the Hive +4 Wyverns and break through the Elves, capturing by day 7 both the Gauntlets and the secondary hero, ending up with 80 Troglodytes +4 Wyverns (the idea boils down to leveling up Tactics and using it to break through the Elves.. you could also level it up on someone else...)
You can break through, but it would be a pyrrhic victory - out of 3 attempts, 30 and 50 Troglodytes survived twice. You might be able to preserve up to 80, but that depends on Morale and the course of events... IMO, in that situation you shouldn't go in headlong - it's better to postpone taking the secondary hero until the end of the week... Or, as said above, go for the Grands, but without Manticores it could also be unpleasant with bad Morale...
Зима 2011-12.