The Monolith ?? Challenge Melosh the Merchant to a duel, win to unlock Greater Defenceless for 47,600 Chroma. Endless Tower 21 Drops or provides an upgrade for completing Stage 1, Trial 3. / Challenge Melosh the Merchant to a duel and win to unlock it for 47,600 Chroma. Also drops or provides an upgrade for completing Stage 1, Trial 3.